.Net Framework. .NET – What Is It? Software platform Language neutral In other words:.NET is not a...

.Net Framework.Net Framework

.NET – What Is It?.NET – What Is It?

Software platformSoftware platform

Language neutralLanguage neutral

In other words:In other words: .NET is not a language (Runtime and a .NET is not a language (Runtime and a

library for writing and executing written library for writing and executing written programs in any compliant language)programs in any compliant language)

So what is .NET?So what is .NET?

.NET is a platform that provides a .NET is a platform that provides a standardized set of services.standardized set of services.

It’s just like Windows.It’s just like Windows.

It exports a common interface so that it’s It exports a common interface so that it’s programs can be run on any system that programs can be run on any system that supports .NET.supports .NET.

A specific software frameworkA specific software frameworkIncludes a common runtimeIncludes a common runtime

.NET is a platform that provides a .NET is a platform that provides a standardized set of services.standardized set of services.

It’s just like Windows.It’s just like Windows.

It exports a common interface so that it’s It exports a common interface so that it’s programs can be run on any system that programs can be run on any system that supports .NET.supports .NET.

A specific software frameworkA specific software frameworkIncludes a common runtimeIncludes a common runtime

.NET Framework.NET Framework

Programming model for .NETProgramming model for .NET

Platform for running .NET managed Platform for running .NET managed code in a virtual machinecode in a virtual machine

Provides a very good environment Provides a very good environment to develop networked applications to develop networked applications and Web Servicesand Web Services

Provides programming API and Provides programming API and unified language-independent unified language-independent development frameworkdevelopment framework

Programming model for .NETProgramming model for .NET

Platform for running .NET managed Platform for running .NET managed code in a virtual machinecode in a virtual machine

Provides a very good environment Provides a very good environment to develop networked applications to develop networked applications and Web Servicesand Web Services

Provides programming API and Provides programming API and unified language-independent unified language-independent development frameworkdevelopment framework

.NET Framework – What Is It?.NET Framework – What Is It?

Operating System + HardwareOperating System + Hardware


.NET Application.NET Application

.Net Framework has four major components.Net Framework has four major components

The Common language RuntimeThe Common language Runtime

Common language specificationsCommon language specifications

The framework class libraryThe framework class library

.Net tools.Net tools

The Core of .NET Framework: CLRThe Core of .NET Framework: CLR

Common Language RuntimeCommon Language RuntimeEXECUTION ENGINEEXECUTION ENGINE

Loads and executes codeLoads and executes code

Convert intermediate language to Convert intermediate language to native machine codenative machine code

Separates processes and memorySeparates processes and memory

Manages memory and objectsManages memory and objects

Code access securityCode access security

Provides code meta data Provides code meta data

DebuggingDebugging

.NET Framework Common Language Runtime.NET Framework Common Language Runtime

Operating SystemOperating System

Common Language RuntimeCommon Language Runtime

CLR manages code execution CLR manages code execution at runtimeat runtime

Memory management, thread Memory management, thread management, etc.management, etc.

Architectural OverviewArchitectural Overview

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Class loader and layoutClass loader and layout

code managercode manager

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Base ClassesBase Classes

.NET Framework Base Class Library.NET Framework Base Class Library



.NET Framework (Base Class Library).NET Framework (Base Class Library)

Object-oriented collection of Object-oriented collection of reusable typesreusable types

Collections, I/O, Strings, …Collections, I/O, Strings, …

.NET Framework Data Access Layer.NET Framework Data Access Layer




ADO .NET and XMLADO .NET and XML

Access relational databasesAccess relational databases

Disconnected data modelDisconnected data model

Work with XMLWork with XML

.NET Framework ASP.NET & Windows Forms.NET Framework ASP.NET & Windows Forms





ASP .NETASP .NETWeb Forms Web ServicesWeb Forms Web Services

Mobile Internet ToolkitMobile Internet Toolkit

WindowsWindowsFormsForms

Create application’s front-end – Create application’s front-end – Web-based user interface, Web-based user interface, Windows GUI, Web services, …Windows GUI, Web services, …

.NET Framework Programming Languages.NET Framework Programming Languages








C++C++ C#C# VB.NETVB.NET PerlPerl J#J# ……

Use your favorite languageUse your favorite language

.NET Framework Common Language Specification.NET Framework Common Language Specification








Common Language SpecificationCommon Language SpecificationC++C++ C#C# VBVB PerlPerl J#J# ……

.NET Framework Visual Studio .NET.NET Framework Visual Studio .NET








Common Language SpecificationCommon Language Specification

C++C++ C#C# VBVB PerlPerl J#J# ……

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ASP .NETASP .NETWeb Services Web FormsWeb Services Web Forms



Common Language SpecificationCommon Language Specification

C++C++ C#C# VBVB PerlPerl J#J# ……

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Open LanguageOpen LanguageSpecificationSpecification

C# Language – C# Language – Submitted to ECMASubmitted to ECMA

XML-basedXML-baseddata accessdata access

Web services –Web services –XML, SOAP-basedXML, SOAP-based

.NET Framework Standards Compliance.NET Framework Standards Compliance


Manages running code – like a virtual Manages running code – like a virtual machinemachine

ThreadingThreadingMemory managementMemory managementNo interpreter: JIT-compiler produces No interpreter: JIT-compiler produces native code – during the program native code – during the program installation or at run timeinstallation or at run time

Fine-grained evidence-based securityFine-grained evidence-based securityCode access securityCode access security

Code can be verified to guarantee type safetyCode can be verified to guarantee type safetyNo unsafe casts, no un-initialized variables No unsafe casts, no un-initialized variables and no out-of-bounds array indexingand no out-of-bounds array indexing

Role-based securityRole-based security

Manages running code – like a virtual Manages running code – like a virtual machinemachine

ThreadingThreadingMemory managementMemory managementNo interpreter: JIT-compiler produces No interpreter: JIT-compiler produces native code – during the program native code – during the program installation or at run timeinstallation or at run time

Fine-grained evidence-based securityFine-grained evidence-based securityCode access securityCode access security

Code can be verified to guarantee type safetyCode can be verified to guarantee type safetyNo unsafe casts, no un-initialized variables No unsafe casts, no un-initialized variables and no out-of-bounds array indexingand no out-of-bounds array indexing

Role-based securityRole-based security

Managed CodeManaged Code

Code that targets the CLR is referred to Code that targets the CLR is referred to as managed codeas managed codeAll managed code has the features of All managed code has the features of the CLRthe CLR

Object-orientedObject-orientedType-safeType-safeCross-language integrationCross-language integrationCross language exception handlingCross language exception handlingMultiple version supportMultiple version support

Managed code is represented in special Managed code is represented in special Intermediate Language (IL)Intermediate Language (IL)

Automatic Memory ManagementAutomatic Memory Management

The CLR manages memory for managed codeThe CLR manages memory for managed codeAll allocations of objects and buffers made from All allocations of objects and buffers made from a a Managed HeapManaged Heap

Unused objects and buffers are cleaned up Unused objects and buffers are cleaned up automatically through automatically through Garbage CollectionGarbage Collection

Intermediate LanguageIntermediate Language

.NET languages are compiled to an .NET languages are compiled to an Intermediate Language (IL)Intermediate Language (IL)

IL is also known as MSIL or CILIL is also known as MSIL or CIL

CLR compiles IL in just-in-time (JIT) CLR compiles IL in just-in-time (JIT) manner – each function is compiled manner – each function is compiled just before executionjust before execution

The JIT code stays in memory for The JIT code stays in memory for subsequent callssubsequent calls

Recompilations of assemblies are Recompilations of assemblies are also possiblealso possible

Example of MSIL CodeExample of MSIL Code

.method private hidebysig static void Main() .method private hidebysig static void Main() cil managedcil managed

{{ .entrypoint.entrypoint // Code size 11 (0xb)// Code size 11 (0xb) .maxstack 8.maxstack 8 IL_0000: ldstr "Hello, world!"IL_0000: ldstr "Hello, world!" IL_0005: call void IL_0005: call void

[mscorlib]System.Console::WriteLine(string)[mscorlib]System.Console::WriteLine(string) IL_000a: retIL_000a: ret} // end of method HelloWorld::Main} // end of method HelloWorld::Main

Common Type System (CTS)Common Type System (CTS)

All .NET languages have the same primitive All .NET languages have the same primitive data types. An data types. An intint in C# is the same as an in C# is the same as an intint in VB.NETin VB.NETWhen communicating between modules When communicating between modules written in any .NET language, the types are written in any .NET language, the types are guaranteed to be compatible on the binary guaranteed to be compatible on the binary levellevelTypes can be:Types can be:

Value types – passed by value, stored in the Value types – passed by value, stored in the stackstackReference types – passed by reference, stored Reference types – passed by reference, stored in the heapin the heap

Common Language Specification (CLS)Common Language Specification (CLS)

Any language that conforms to the CLS Any language that conforms to the CLS is a .NET languageis a .NET language

A language that conforms to the CLS A language that conforms to the CLS has the ability to take full advantage of has the ability to take full advantage of the Framework Class Library (FCL)the Framework Class Library (FCL)

CLS is standardized by ECMACLS is standardized by ECMA

.NET Languages.NET Languages

Languages provided by MicrosoftLanguages provided by MicrosoftC++, C#, J#, VB.NET, C++, C#, J#, VB.NET, JScriptJScript

Third-parties languagesThird-parties languagesPerl, Python, Pascal, APL, COBOL, Eiffel, Perl, Python, Pascal, APL, COBOL, Eiffel, Haskell, ML, Oberon, Scheme, Smalltalk…Haskell, ML, Oberon, Scheme, Smalltalk…

Advanced multi-language featuresAdvanced multi-language featuresCross-language inheritance and Cross-language inheritance and exceptions handlingexceptions handling

C# LanguageC# Language

Mixture between C++, Java Mixture between C++, Java Component-orientedComponent-oriented

Properties, Methods, EventsProperties, Methods, EventsAttributes, XML documentationAttributes, XML documentationAll in one place, no header files, IDL, etc.All in one place, no header files, IDL, etc.Can be embedded in ASP+ pagesCan be embedded in ASP+ pages

Everything really is an objectEverything really is an objectPrimitive typesPrimitive types

C# Language – ExampleC# Language – Example

using System;using System;

class HelloWorldclass HelloWorld{{

public static void main()public static void main(){{

Console.WriteLine(“Hello, Console.WriteLine(“Hello, world!”);world!”);}}

}}

Code Compilation and ExecutionCode Compilation and Execution

CompilationCompilation

Before Before installation or installation or the first time the first time

each method is each method is calledcalled

Before Before installation or installation or the first time the first time

each method is each method is calledcalledExecutionExecution

JIT JIT CompilerCompiler

NativeNativeCodeCode

MSILMSILCodeCode

MetadataMetadata

Source Source CodeCode

Language Language CompilerCompiler

Also called Also called AssemblyAssembly(.EXE or(.EXE or.DLL file).DLL file)

Also called Also called AssemblyAssembly(.EXE or(.EXE or.DLL file).DLL file)

AssembliesAssembliesLogical unit of code Logical unit of code

Contains the code that CLR executesContains the code that CLR executes

DLL or EXE fileDLL or EXE file

Smallest deployable unit in the CLRSmallest deployable unit in the CLR

Have unique version numberHave unique version number

No version conflicts (known as DLL hell)No version conflicts (known as DLL hell)

Contains IL code to be executedContains IL code to be executed

Security boundary – permissions are Security boundary – permissions are granted at the assembly levelgranted at the assembly level

Type boundary – all types include the Type boundary – all types include the assembly name they are a part ofassembly name they are a part of

Self-describing manifest – metadata that Self-describing manifest – metadata that describes the types in the assemblydescribes the types in the assembly

Metadata in AssemblyMetadata in Assembly

Type DescriptionsType Descriptions

ClassesClassesBase classesBase classesImplemented interfacesImplemented interfacesData membersData membersMethodsMethods

ClassesClassesBase classesBase classesImplemented interfacesImplemented interfacesData membersData membersMethodsMethods

NameNameVersionVersionCultureCulture

NameNameVersionVersionCultureCulture

Assembly DescriptionAssembly Description

Other assembliesOther assembliesSecurity PermissionsSecurity PermissionsExported TypesExported Types

Other assembliesOther assembliesSecurity PermissionsSecurity PermissionsExported TypesExported Types

ApplicationsApplications

One or more assembliesOne or more assemblies

Assemblies conflict resolutionAssemblies conflict resolution

AssemblyAssemblyPrivate(direct)Private(direct)

Shared(reference)Shared(reference)

Using metadataUsing metadataLocal (preferred)Local (preferred)

Global Assembly Cache (GAC)Global Assembly Cache (GAC)

..

..

Different applications may use different versions of an assembly

Easier software updatesEasier software removal

Visual Studio .NETVisual Studio .NET

Development tool that contains a rich set of Development tool that contains a rich set of productivity and debugging featuresproductivity and debugging features

Supports managed and unmanaged applicationsSupports managed and unmanaged applications

Supports C#, C++, VB.NET, …Supports C#, C++, VB.NET, …

Many useful tools and wizardsMany useful tools and wizards

Windows Forms DesignerWindows Forms Designer

ASP.NET Web Forms DesignerASP.NET Web Forms Designer

Web Services supportWeb Services support

SQL Server integration with ADO.NET and XMLSQL Server integration with ADO.NET and XML

VS.NET – Single Development Environment & Skill SetVS.NET – Single Development Environment & Skill Set

From Visual Studio.NET you can:From Visual Studio.NET you can:Write codeWrite code

Design user interfaceDesign user interface

Study documentationStudy documentation

DebugDebug

TestTest

DeployDeploy

Same tools for all languagesSame tools for all languages

Same tools for all platformsSame tools for all platforms

The .NET Framework LibraryThe .NET Framework Library

Base Class LibraryBase Class Library

ADO.NET and XMLADO.NET and XML

Web Forms Web ServicesWeb Forms Web ServicesMobile Internet ToolkitMobile Internet Toolkit


ASP.NETASP.NET

System System

GlobalizationGlobalization

DiagnosticsDiagnostics

ConfigurationConfiguration

CollectionsCollections

ResourcesResources

ReflectionReflection

NetNet

IOIO

ThreadingThreading

TextText

ServiceProcessServiceProcess

SecuritySecurity RuntimeRuntimeInteropServicesInteropServices

RemotingRemoting

SerializationSerialization

System.DataSystem.Data

DesignDesign

ADOADO

SQLTypesSQLTypes

SQLSQL

System.XmlSystem.Xml

XPathXPath

XSLTXSLT SerializationSerialization

System.WebSystem.Web

ConfigurationConfiguration SessionStateSessionState

CachingCaching SecuritySecurity

ServicesServices UIUIHtmlControlsHtmlControls

WebControlsWebControls

DescriptionDescription

DiscoveryDiscovery

ProtocolsProtocols System.DrawingSystem.Drawing

ImagingImaging

Drawing2DDrawing2D

TextText

PrintingPrinting

System.WinFormsSystem.WinForms

DesignDesign ComponentModelComponentModel

.NET Framework Namespaces.NET Framework Namespaces

Base Class Library NamespacesBase Class Library Namespaces

SystemSystem

ThreadingThreading

TextText

ServiceProcessServiceProcess

SecuritySecurity

ResourcesResources


NetNet

IOIO

GlobalizationGlobalization

DiagnosticsDiagnostics


CollectionsCollections

RuntimeRuntime


RemotingRemoting

InteropServicesInteropServices

Base Class LibraryBase Class Library

Data types, conversions, formattingData types, conversions, formatting

Collections: Collections: ArrayList, HashtableArrayList, Hashtable, etc., etc.

Globalization: Cultures, sorting, etc.Globalization: Cultures, sorting, etc.

I/O: Binary and text streams, files, etc.I/O: Binary and text streams, files, etc.

Networking: HTTP, TCP/IP sockets, etc.Networking: HTTP, TCP/IP sockets, etc.

Reflection: Metadata and IL emitReflection: Metadata and IL emit

Security: Permissions, cryptographySecurity: Permissions, cryptography

Text: Encodings, regular expressionsText: Encodings, regular expressions

Data And XML NamespacesData And XML Namespaces

System.DataSystem.Data

SQLTypesSQLTypes

SQLClientSQLClient

CommonCommon

OleDbOleDb

System.XmlSystem.Xml


XPathXPath

XSLTXSLT

ADO.NET And XMLADO.NET And XML

ADO.NET consumes all types of dataADO.NET consumes all types of dataXML (hierarchical), relational, etc.XML (hierarchical), relational, etc.

Powerful in-memory data cache (DataSet)Powerful in-memory data cache (DataSet)DataSet contains various data objects: DataSet contains various data objects: tables, views, relations, constraints, etc.tables, views, relations, constraints, etc.Lightweight, stateless, disconnectedLightweight, stateless, disconnectedSupports both relational and XML accessSupports both relational and XML access

High-performance, low overhead stream High-performance, low overhead stream accessaccessGreat XML support including: Great XML support including:

W3C DOM, XSL/T, XPath, and SchemaW3C DOM, XSL/T, XPath, and Schema

Windows Forms NamespacesWindows Forms Namespaces

System.DrawingSystem.Drawing

Drawing2DDrawing2D

ImagingImaging

PrintingPrinting

TextText

System.Windows.FormsSystem.Windows.Forms

DesignDesign ComponentModelComponentModel

Windows FormsWindows Forms

Windows Forms is framework for building rich GUI applications

RAD (Rapid Application Development)component-basedevent-driven

Rich set of controlsData aware componentsActiveX® SupportPrinting supportUnicode supportUI inheritance


Combines VB and Delphi forms with the Combines VB and Delphi forms with the power of MFCpower of MFC

Delegation as well as subclassingDelegation as well as subclassing

Advanced featuresAdvanced featuresVisual forms inheritance, automatic layoutVisual forms inheritance, automatic layoutAdvanced graphics support – GDI+Advanced graphics support – GDI+Easy access to Win32Easy access to Win32®® API API

Controls can be hosted in IE 5.xControls can be hosted in IE 5.xNo installation, registration or No installation, registration or GUIDsGUIDs

Code access securityCode access security

VS.NET – Windows Forms DesignerVS.NET – Windows Forms Designer

DemoDemo

Create simple database Create simple database application with:application with:


ADO.NETADO.NET

MS SQL ServerMS SQL Server


ASP.NET NamespacesASP.NET Namespaces

System.WebSystem.Web

CachingCaching


ServicesServices UIUI

SessionStateSessionState

HtmlControlsHtmlControls

WebControlsWebControls

DescriptionDescription

DiscoveryDiscovery

SecuritySecurity

ProtocolsProtocols

Framework for building Web applications and Framework for building Web applications and Web services in any .NET languageWeb services in any .NET language

C#, C++, VB.NET, C#, C++, VB.NET, JScriptJScript, etc., etc.

Automatic multiple clients supportAutomatic multiple clients supportDHTML, HTML 3.2, WML, small devicesDHTML, HTML 3.2, WML, small devices

Compilation of ASP.NET Web applications Compilation of ASP.NET Web applications into .NET assembliesinto .NET assemblies

Cached the first time when calledCached the first time when called

All subsequent calls use the cached versionAll subsequent calls use the cached version

Separation of code and contentSeparation of code and contentDevelopers and designers can work independentlyDevelopers and designers can work independently

ASP.NETASP.NET

ASP.NETASP.NET

Rich page architecture – “Web Forms”Rich page architecture – “Web Forms”

Rich set of ASP.NET server controlsRich set of ASP.NET server controlsData validationData validation

Data bound gridsData bound grids

Event-driven execution modelEvent-driven execution model

Great Web-services supportGreat Web-services support

Easy to deployEasy to deploy

High reliability and availabilityHigh reliability and availability

High performance and scalabilityHigh performance and scalability

Scalable handling of state informationScalable handling of state information

VS.NET – Web Forms DesignerVS.NET – Web Forms Designer

DemoDemo

Create simple Web-based Create simple Web-based database application with:database application with:

ASP.NET (Web Forms)ASP.NET (Web Forms)

ADO.NETADO.NET

MS SQL ServerMS SQL Server


Web ServicesWeb Services

Technical definition – “A programmable Technical definition – “A programmable application component accessible via application component accessible via standard Web protocols”standard Web protocols”

Built on XML and SOAPBuilt on XML and SOAP

Expose functionality from Web SitesExpose functionality from Web SitesAlmost like component programming over Almost like component programming over the Webthe WebFunctionality exposed using XML/HTMLFunctionality exposed using XML/HTML

Standard Web Services includeStandard Web Services includeCalendarCalendar

XML Web Services FoundationXML Web Services Foundation

Ubiquitous Communications: InternetUbiquitous Communications: Internet

Universal Data Format:Universal Data Format: XMLXML

Service Interactions:Service Interactions: SOAPSOAP

Publish, Find, Use Services:Publish, Find, Use Services: UDDIUDDI

Simple, Open, Broad Industry SupportSimple, Open, Broad Industry Support

Open standards:Open standards:

ASP.NET Web ServicesASP.NET Web Services

Simple programming modelSimple programming modelAuthor .ASMX files with class methodsAuthor .ASMX files with class methods

ASP.NET compiles on demand, generates ASP.NET compiles on demand, generates WSDL contract, exposes HTML test pageWSDL contract, exposes HTML test page

Incoming HTTP/SOAP messages invoke Incoming HTTP/SOAP messages invoke methodsmethods

No special HTTP, SOAP or XML knowledge No special HTTP, SOAP or XML knowledge requiredrequired

Supports multiple message wire formatsSupports multiple message wire formatsHTTP GET, POST, and SOAP RequestsHTTP GET, POST, and SOAP Requests

Web Service Example in C#Web Service Example in C#

ParcelTracker.asmxParcelTracker.asmx ParcelTracker.asmxParcelTracker.asmx

<%@ WebService Language="C#" %><%@ WebService Language="C#" %>using System;using System;using System.Web.Services;using System.Web.Services;

public class ParcelTrackerWebServicepublic class ParcelTrackerWebService{{ [WebMethod][WebMethod] public string GetOrderStatus(int orderNumber)public string GetOrderStatus(int orderNumber) {{ //// Implementation hereImplementation here }}}}

<%@ WebService Language="C#" %><%@ WebService Language="C#" %>using System;using System;using System.Web.Services;using System.Web.Services;

public class ParcelTrackerWebServicepublic class ParcelTrackerWebService{{ [WebMethod][WebMethod] public string GetOrderStatus(int orderNumber)public string GetOrderStatus(int orderNumber) {{ //// Implementation hereImplementation here }}}}

.NET Framework on Linux.NET Framework on Linux

Mono ProjectMono ProjectOpen Source C# compiler, CLR and Framework Open Source C# compiler, CLR and Framework Class LibraryClass Library

Runs on various platforms and hardware:Runs on various platforms and hardware:

Linux, Unix, FreeBSD, Windows – JIT-Linux, Unix, FreeBSD, Windows – JIT-compiler for x86compiler for x86

s390, SPARCs390, SPARC,, PowerPC PowerPC – interpreter for these – interpreter for these hardware architectureshardware architectures

Supports also:Supports also:

ADO.NET and XMLADO.NET and XML

Windows Forms (not fully)Windows Forms (not fully)

ASP.NETASP.NET

Web ServicesWeb Services

.NET Framework on Linux (2).NET Framework on Linux (2)Mono ProjectMono Project

Runs .NET portable executables on Linux, e.g.Runs .NET portable executables on Linux, e.g.mono myapp.exemono myapp.exe

Compiles .NET applications to portable Compiles .NET applications to portable executables, e.g.executables, e.g.

mcs myapp.csmcs myapp.cs

The obtained .exe file can taken and run on The obtained .exe file can taken and run on WindowsWindows

DotGNU Portable.NETDotGNU Portable.NET

Build and execute .NET applications on Build and execute .NET applications on GNU/LinuxGNU/Linux, , Windows, Solaris, NetBSD, FreeBSD, Windows, Solaris, NetBSD, FreeBSD, and MacOS X and MacOS X

SummarySummary

.NET Framework is a code execution platform .NET Framework is a code execution platform – the environment which .NET programs run– the environment which .NET programs run

.NET Framework consists of two primary .NET Framework consists of two primary parts: Common Language Runtime and .NET parts: Common Language Runtime and .NET Class LibrariesClass Libraries

The CLS (Common Language Specification) The CLS (Common Language Specification) allows different languages to interact allows different languages to interact seamlessly.seamlessly.

The CTS (Common Type System) allows all The CTS (Common Type System) allows all languages to share base data types.languages to share base data types.

Summary (2)Summary (2)

.NET languages are compiled to MSIL by .NET languages are compiled to MSIL by their respective compilerstheir respective compilers

MSIL code is compiled to machine code by MSIL code is compiled to machine code by the JIT compilerthe JIT compiler

All .NET languages have equal access to the All .NET languages have equal access to the FCL (Framework Class Library) which is a FCL (Framework Class Library) which is a rich set of classes for developing softwarerich set of classes for developing software

Base Class Library is set of basic classes: Base Class Library is set of basic classes: Collections, I/O, Networking, Security, etc.Collections, I/O, Networking, Security, etc.

ADO.NET provides .NET applications with ADO.NET provides .NET applications with access to relational databasesaccess to relational databases

Summary (3)Summary (3)

.NET has great XML support including: DOM, .NET has great XML support including: DOM, XSLT, XSLT, XPathXPath, and , and XSchemaXSchema

Windows Forms provides GUI interface for Windows Forms provides GUI interface for the .NET applicationsthe .NET applications

ASP.NET allows creating web interface ASP.NET allows creating web interface to .NET applicationsto .NET applications

Web Services expose functionality from web Web Services expose functionality from web sites and make it remotely accessible sites and make it remotely accessible through standard XML-based protocolsthrough standard XML-based protocols

Visual Studio .NET is powerful development Visual Studio .NET is powerful development IDE for all .NET languages and technologiesIDE for all .NET languages and technologies

.NET Framework – Resources.NET Framework – ResourcesVisit following web sites:Visit following web sites:

..NET Framework Home Site – NET Framework Home Site – http://msdn.microsoft.com/netframework/http://msdn.microsoft.com/netframework/The Microsoft .NET Framework Community – The Microsoft .NET Framework Community – http://www.gotdotnet.com/http://www.gotdotnet.com/ASP.NET – ASP.NET – http://www.asp.net/http://www.asp.net/.NET Windows Forms – .NET Windows Forms – http://www.windowsforms.net/http://www.windowsforms.net/Code Project – http://www.codeproject.net/Code Project – http://www.codeproject.net/Mono – Open Source .NET Framework – Mono – Open Source .NET Framework – http://www.go-mono.org/http://www.go-mono.org/Rotor – Shared Source .NET CLI – Rotor – Shared Source .NET CLI – http://msdn.microsoft.com/net/sscli/http://msdn.microsoft.com/net/sscli/

Read the news groups:Read the news groups:news://news://msnews.microsoft.commsnews.microsoft.com//microsoft.public.dotnet.frameworkmicrosoft.public.dotnet.framework

Questions?Questions?

AgendaAgenda

Part I - FundamentalsPart I - FundamentalsProgramming ModelsProgramming Models

Design Goals and ArchitectureDesign Goals and Architecture

CLR ServicesCLR Services

Part II – Visual Studio 2005Part II – Visual Studio 2005Extending the PlatformExtending the Platform

Improving the PlatformImproving the Platform

Innovation in the PlatformInnovation in the Platform

Unify Programming ModelsUnify Programming Models

Windows APIWindows API


Consistent API availability regardless ofConsistent API availability regardless oflanguage and programming modellanguage and programming model

ASPASP

Stateless,Stateless,Code embeddedCode embeddedin HTML pagesin HTML pages

MFC/ATLMFC/ATL

Subclassing,Subclassing,Power,Power,

ExpressivenessExpressiveness

VB FormsVB Forms

RAD,RAD,Composition,Composition,

DelegationDelegation

Make It Simple To UseMake It Simple To Use

OrganizationOrganizationCode organized in hierarchical Code organized in hierarchical namespaces and classesnamespaces and classes

Unified type systemUnified type systemEverything is an object, no variants, one Everything is an object, no variants, one string type, all character data is Unicodestring type, all character data is Unicode

Component OrientedComponent OrientedProperties, methods, events, and attributes Properties, methods, events, and attributes are first class constructsare first class constructs

Design-time functionalityDesign-time functionality

How Much Simpler?How Much Simpler?

HWND hwndMain = CreateWindowEx(HWND hwndMain = CreateWindowEx( 0, "MainWClass", "Main Window",0, "MainWClass", "Main Window", WS_OVERLAPPEDWINDOW | WS_HSCROLL | WS_VSCROLL,WS_OVERLAPPEDWINDOW | WS_HSCROLL | WS_VSCROLL, CW_USEDEFAULT, CW_USEDEFAULT,CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,CW_USEDEFAULT, CW_USEDEFAULT, (HWND)NULL, (HMENU)NULL, hInstance, NULL); (HWND)NULL, (HMENU)NULL, hInstance, NULL); ShowWindow(hwndMain, SW_SHOWDEFAULT); ShowWindow(hwndMain, SW_SHOWDEFAULT); UpdateWindow(hwndMain);UpdateWindow(hwndMain);

Form form = new Form();Form form = new Form();form.Text = "Main Window";form.Text = "Main Window";form.Show();form.Show();

Windows APIWindows API


Hello World DemoHello World Demo

What you needWhat you need

AgendaAgenda







Common Language RuntimeDesign GoalsCommon Language RuntimeDesign Goals

Dramatically simplifies development Dramatically simplifies development and deploymentand deployment

Unifies programming modelsUnifies programming models

Provides robust and secure execution Provides robust and secure execution environmentenvironment

Supports multiple programming Supports multiple programming languageslanguages

AssemblyAssembly

Compilation And ExecutionCompilation And Execution

Source Source CodeCode

Language Language CompilerCompiler

CompilationCompilation

At installation or the At installation or the first time each first time each

method is calledmethod is calledExecutionExecution

JIT JIT CompilerCompiler

NativeNative

CodeCode

Code (IL)Code (IL)

MetadataMetadata

LanguagesLanguages

The CLR is Language NeutralThe CLR is Language NeutralAll languages are first class playersAll languages are first class players

You can leverage your existing skillsYou can leverage your existing skills

Common Language SpecificationCommon Language SpecificationSet of features guaranteed to be in all Set of features guaranteed to be in all languageslanguages

We are providingWe are providingVB, C++, C#, J#, JScriptVB, C++, C#, J#, JScript

Third-parties are buildingThird-parties are buildingAPL, COBOL, Pascal, Eiffel, Haskell, ML, APL, COBOL, Pascal, Eiffel, Haskell, ML, Oberon, Perl, Python, Scheme, Smalltalk…Oberon, Perl, Python, Scheme, Smalltalk…

Hello World DemoHello World Demo

What you needWhat you need

MSILMSIL

AgendaAgenda







Component-Based ProgrammingComponent-Based Programming

3 core technologies make building and 3 core technologies make building and using components easyusing components easy

Type safetyType safety

Automatic memory managementAutomatic memory management

MetadataMetadata

This greatly simplifies application This greatly simplifies application developmentdevelopment

Type SafetyType Safety

Type safety ensures that objects are used Type safety ensures that objects are used the way they were intended to be usedthe way they were intended to be used

Prevents an object’s state from being corruptedPrevents an object’s state from being corrupted

The CLR enforces type safetyThe CLR enforces type safetyAttempting to coerce an object to an Attempting to coerce an object to an incompatible type causes the CLR to throw an incompatible type causes the CLR to throw an exceptionexception

Type safety means code confidenceType safety means code confidenceCommon programmer errors will be found Common programmer errors will be found immediatelyimmediatelyRectangle(hwnd, 0, 0, 10, 10);Rectangle(hwnd, 0, 0, 10, 10);

//hwnd should be an hdc//hwnd should be an hdc

MessageBox(hwnd, “”, “”, IDOK);MessageBox(hwnd, “”, “”, IDOK);

//IDOK should be MB_OK//IDOK should be MB_OK

Automatic Memory ManagementAutomatic Memory Management

The CLR tracks the code’s use of objects and The CLR tracks the code’s use of objects and ensuresensures

Objects are not freed while still in use (no memory Objects are not freed while still in use (no memory corruption)corruption)

Objects are freed when no longer in use (no memory leaks)Objects are freed when no longer in use (no memory leaks)

Code is easier to write because there is no question Code is easier to write because there is no question as to which component is responsible to free an as to which component is responsible to free an objectobject

When passed a buffer, who frees it: caller or callee?When passed a buffer, who frees it: caller or callee?

Each process has 1 heap used by all componentsEach process has 1 heap used by all componentsObjects can’t be allocated from different heapsObjects can’t be allocated from different heaps

You don’t have to know which heap memory was allocated You don’t have to know which heap memory was allocated in or which API to call to free the memoryin or which API to call to free the memory

In fact, there is no API to free memory, the GC does itIn fact, there is no API to free memory, the GC does it

MetadataMetadata

Set of data tables embedded in an EXE/DLLSet of data tables embedded in an EXE/DLLThe tables describe what is defined in the file (Type, fields, The tables describe what is defined in the file (Type, fields, methods, etc.)methods, etc.)

Every component’s interface is described by metadata tablesEvery component’s interface is described by metadata tablesA component’s implementation is described by Intermediate A component’s implementation is described by Intermediate LanguageLanguage

The existence of metadata tables enables many featuresThe existence of metadata tables enables many featuresNo header filesNo header files

Visual Studio’s IntelliSenseVisual Studio’s IntelliSense

Components don’t have to be registered in the registryComponents don’t have to be registered in the registry

Components don’t need separate IDL or TLB filesComponents don’t need separate IDL or TLB files

The GC knows when an object’s fields refer to other objectsThe GC knows when an object’s fields refer to other objects

An object’s fields can be automatically serialized/deserializedAn object’s fields can be automatically serialized/deserialized

At runtime, an application can determine what types are in a file At runtime, an application can determine what types are in a file and what members the type defines (also known as late binding)and what members the type defines (also known as late binding)

Components can be written/used by different languagesComponents can be written/used by different languages

Metadata: Creation And UseMetadata: Creation And Use

MetadataMetadata(and code)(and code)

DebuggerDebugger

Schema Schema GeneratorGenerator

ProfilerProfiler

CompilersCompilers

Proxy GeneratorProxy Generator

Type BrowserType Browser

CompilerCompiler

SourceSourceCodeCode

XML encodingXML encoding(SDL or SUDS)(SDL or SUDS)


DesignersDesigners


TLB ExporterTLB Exporter

Runtime Execution ModelRuntime Execution Model

ClassClassLoaderLoader

CPUCPU

ManagedManagedNative CodeNative Code

AssemblyAssembly

First callFirst callto methodto method

First reference First reference to to typetype

AssemblyAssemblyResolverResolver

First reference First reference to Assemblyto Assembly

IL to nativeIL to nativeconversionconversion

JIT Compiler - InlineJIT Compiler - Inline

StandardizationStandardization

A subset of the .NET Framework and C# A subset of the .NET Framework and C# submitted to ECMAsubmitted to ECMA

ECMA and ISO International StandardsECMA and ISO International Standards

Co-sponsored with Intel, Hewlett-PackardCo-sponsored with Intel, Hewlett-Packard

Common Language InfrastructureCommon Language InfrastructureBased on Common Language Runtime and Based on Common Language Runtime and Base FrameworkBase Framework

Layered into increasing levels of Layered into increasing levels of functionalityfunctionality

Rotor (SSCLI) Rotor (SSCLI)

Shared-Source version of the Shared-Source version of the CLR+BCL+C# compilerCLR+BCL+C# compiler

Ports available: Windows, FreeBSD, Ports available: Windows, FreeBSD, OSX, etcOSX, etc

Real product code offers real world Real product code offers real world learning learning

http://sscli.org http://sscli.org

Developer RoadmapDeveloper Roadmap

• “ “Orcas” releaseOrcas” release

• Windows “Longhorn” Windows “Longhorn” integrationintegration

• New UI tools and New UI tools and designers designers

• Extensive managed Extensive managed interfacesinterfaces

Visual Studio Visual Studio Orcas Orcas

“Longhorn”“Longhorn”

Visual StudioVisual Studio.NET 2003.NET 2003

• “ “Everett Release”Everett Release”

• Windows Server 2003 Windows Server 2003 integrationintegration

• Support for .NET Support for .NET Compact Framework Compact Framework and device and device development development

• Improved performanceImproved performance

Visual Studio 2005 Visual Studio 2005 “Yukon”“Yukon”

• “ “Whidbey” releaseWhidbey” release

• SQL Server SQL Server integrationintegration

• Improved IDE Improved IDE productivity and productivity and community supportcommunity support

• Extended support for Extended support for XML Web servicesXML Web services

• Office Office programmabilityprogrammability

AgendaAgenda

Part I - FundamentalsPart I - FundamentalsDesign Goals Design Goals

ArchitectureArchitecture





SQL Server IntegrationDesign GoalSQL Server IntegrationDesign Goal

Bring framework programming model Bring framework programming model into the database tierinto the database tier

Allow business logic to easily migrate Allow business logic to easily migrate to the most appropriate tierto the most appropriate tier

Enable Enable safe safe database extensionsdatabase extensions

Result: Stored Procedures, Triggers, Result: Stored Procedures, Triggers, data types defined in managed codedata types defined in managed code

VS .NET VS .NET ProjectProject

Assembly: geom.dll

VB, C#, …VB, C#, … BuildBuild

SQL ServerSQL Server

SQL Data Definition: SQL Data Definition: create create assembly … assembly … create function … create function … create create procedure … procedure … create trigger … create trigger … create create type …type …SQL Queries: SQL Queries:

SELECT name FROM Supplier SELECT name FROM Supplier WHERE Location.Distance ( @point ) < 3WHERE Location.Distance ( @point ) < 3

CLR hosted by SQL (in-proc)

SQL CLR Functionality SQL CLR Functionality

Define Location.Distance()

Sql Programming Model Splitting a stringSql Programming Model Splitting a string

The old way…. The old way…. declare @str varchar(200)declare @str varchar(200)select @Str = 'Microsoft Corporation|SQL Server|2003|select @Str = 'Microsoft Corporation|SQL Server|2003|SQL-CLR|2002-08-20|11:32:00|Document|3.b.3'SQL-CLR|2002-08-20|11:32:00|Document|3.b.3'SELECTSELECTsubstring(@Str + '|', 0 + 1, substring(@Str + '|', 0 + 1, charindex('|', @Str + '|', 0 + 1) - 0 - 1 ),charindex('|', @Str + '|', 0 + 1) - 0 - 1 ),substring(@Str + '|', charindex('|', @Str + '|') + 1, substring(@Str + '|', charindex('|', @Str + '|') + 1, charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) - charindex('|', @Str + '|') + 1) - charindex('|', @Str + '|') - 1 ),charindex('|', @Str + '|') - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1,charindex('|', @Str + '|') + 1) + 1, charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|') + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) - 1 ),charindex('|', @Str + '|') + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1, charindex('|', @Str + '|') + 1) + 1) + 1, charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|') + 1) + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|') + 1) + 1) - 1 ),charindex('|', @Str + '|') + 1) + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1,charindex('|', @Str + '|') + 1) + 1) + 1) + 1, charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|', '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) - 1 ),charindex('|', @Str + '|') + 1) + 1) + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|', '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1,charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1, charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|', '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|', '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) - 1 ),charindex('|', @Str + '|') + 1) + 1) + 1) + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|', '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1, 1, charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|', '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) - 1) - charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|', '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) - charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) - 1 ),1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) + 1,1) + 1, charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|', charindex('|', @Str + charindex('|', @Str + '|', charindex('|', @Str + '|','|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) + 1) - 1) + 1) - charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) - 1 ) 1) - 1 )

declare @str varchar(200)declare @str varchar(200)select @Str = 'Microsoft Corporation|SQL Server|2003|SQL-CLR|2002-select @Str = 'Microsoft Corporation|SQL Server|2003|SQL-CLR|2002-08-20|11:32:00|Document|3.b.3'08-20|11:32:00|Document|3.b.3'SELECTSELECTsubstring(@Str + '|', 0 + 1, substring(@Str + '|', 0 + 1, charindex('|', @Str + '|', 0 + 1) - 0 - 1 ),charindex('|', @Str + '|', 0 + 1) - 0 - 1 ),substring(@Str + '|', charindex('|', @Str + '|') + 1, substring(@Str + '|', charindex('|', @Str + '|') + 1, charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) - charindex('|', @Str + '|') + 1) - charindex('|', @Str + '|') - 1 ),charindex('|', @Str + '|') - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1,charindex('|', @Str + '|') + 1) + 1, charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) - 1 ),charindex('|', @Str + '|') + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1, charindex('|', @Str + '|') + 1) + 1) + 1, charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) - 1 ),charindex('|', @Str + '|') + 1) + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1,charindex('|', @Str + '|') + 1) + 1) + 1) + 1, charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) - 1 ),charindex('|', @Str + '|') + 1) + 1) + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1,charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1, charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) -charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) - charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) - 1 ),charindex('|', @Str + '|') + 1) + 1) + 1) + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1, charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1, charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) - charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) - charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) - 1 ),charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) - 1 ),substring(@Str + '|', charindex('|', @Str + '|', substring(@Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) + 1,charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) + 1, charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) + 1) - charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) + 1) - charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|',charindex('|', @Str + '|', charindex('|', @Str + '|', charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) - 1 ) charindex('|', @Str + '|') + 1) + 1) + 1) + 1) + 1) + 1) - 1 )

Moving to 64 bitMoving to 64 bit64 bit for Servers and workstations64 bit for Servers and workstations

X64 and IA64 bit supportX64 and IA64 bit support

Enable Yukon and ASP.NETEnable Yukon and ASP.NET

Verifiable managed binaries just run!Verifiable managed binaries just run!

VS: Runs as a 32bit applicationVS: Runs as a 32bit applicationYou can develop, deploy, and debug 32 You can develop, deploy, and debug 32 and 64bit applicationsand 64bit applications

AgendaAgenda







PerformancePerformanceObjectives: make .NET an even greater programming Objectives: make .NET an even greater programming

platformplatformLong-Term: make the performance characteristics of Long-Term: make the performance characteristics of the CLR similar to native codethe CLR similar to native code

Reduce marginal cost of additional managed processesReduce marginal cost of additional managed processes

Reduce startup time and working setReduce startup time and working set

NGenNGenCompiles IL code to native code, saving results to diskCompiles IL code to native code, saving results to disk

Advantages: no need to recompile IL to native code, Advantages: no need to recompile IL to native code, and class layout already set so better startup timeand class layout already set so better startup time

Whidbey: Significant reductions in the amount of Whidbey: Significant reductions in the amount of private, non-shareable working setprivate, non-shareable working set

OS: ‘no-Jit’ plan, all managed code will be NGenedOS: ‘no-Jit’ plan, all managed code will be NGened

Performance everywherePerformance everywhereNew, Performant APIsNew, Performant APIs

APIs for faster resource lookupAPIs for faster resource lookup

Lightweight CodeGen: only generates Lightweight CodeGen: only generates essential code (contrast to Reflect Emit)essential code (contrast to Reflect Emit)

Existing APIs ImprovedExisting APIs Improved

Cross AppDomain RemotingCross AppDomain RemotingBetween 1.1 and 200x faster. Biggest gains for simpler items Between 1.1 and 200x faster. Biggest gains for simpler items (strings, integers, serializable objects)(strings, integers, serializable objects)

Delegate invoke performance has more than Delegate invoke performance has more than doubleddoubled

AppDomain Footprints: significantly reducedAppDomain Footprints: significantly reduced

UTF8Encoding: translation is 2.5x fasterUTF8Encoding: translation is 2.5x faster

TryParseTryParse

RAD DebuggingRAD Debugging

Edit and Continue: Edit Code at runtimeEdit and Continue: Edit Code at runtimeAllowed Edits: ExamplesAllowed Edits: Examples

Add private fields to a classAdd private fields to a class

Add private non-virtual methods to a classAdd private non-virtual methods to a class

Change a function body, even while steppingChange a function body, even while stepping

Disallowed Edits: ExamplesDisallowed Edits: Examples

Removing fields/methodsRemoving fields/methods

Edits to generic classesEdits to generic classes

Serialization will not recognize new fieldsSerialization will not recognize new fields

Display Attributes for a better debugging Display Attributes for a better debugging experienceexperience

CLR SecurityCLR Security

New cryptography supportNew cryptography supportPKI and PKCS7 supportPKI and PKCS7 support

XML encryption supportXML encryption support

Enhanced support for X509 certificatesEnhanced support for X509 certificates

Enhanced Application SecurityEnhanced Application SecurityPermission CalculatorPermission Calculator

Integration with ClickOnceIntegration with ClickOnce

Better SecurityExceptionBetter SecurityException

Debug-In-ZoneDebug-In-Zone

Managed ACL SupportManaged ACL Support

AgendaAgenda







GenericsGenerics

Why generics?Why generics?Compile-time type checkingCompile-time type checking

Performance (no boxing, no downcasts)Performance (no boxing, no downcasts)

Reduced code bloat (typed collections)Reduced code bloat (typed collections)

VB, C#, MC++ produce & consume genericsVB, C#, MC++ produce & consume generics

UseUse generics freely in internal APIsgenerics freely in internal APIs

Consider using generics in public APIsConsider using generics in public APIsGenerics are not yet in CLSGenerics are not yet in CLS

To be CLS compliant, provide a non-generic API To be CLS compliant, provide a non-generic API alternativealternative

Microsoft is actively pursuing standardization of Microsoft is actively pursuing standardization of generics in runtime and languagesgenerics in runtime and languages

Enhancing The Base LibraryOther Generics to look out forEnhancing The Base LibraryOther Generics to look out for

Nullable(Nullable(Of TOf T))Extremely useful for situations where null is Extremely useful for situations where null is a value, such as database valuetypesa value, such as database valuetypes

EventHandlerEventHandler<T><T>Saves on making your own EventHandlersSaves on making your own EventHandlers

Dim intVal as Nullable(Dim intVal as Nullable(Of IntegerOf Integer) = 5) = 5IfIf intVal.HasValue intVal.HasValue ThenThen ‘ checks for a value ‘ checks for a value

delegate voiddelegate void EventHandlerEventHandler<T><T>((ObjectObject sender, sender, TT e) e) wherewhere T : T : EventArgsEventArgs;;

Whidbey Tracing FeaturesWhidbey Tracing FeaturesPluggable FormattersPluggable Formatters

Pre-WhidbeyPre-Whidbey : Formatting of Trace : Formatting of Trace information was predefined, and not information was predefined, and not controllablecontrollable

WhidbeyWhidbey : Predefined formatters : Predefined formatters (delimiter, xml) added, and you can (delimiter, xml) added, and you can make your ownmake your own

MySource;Error;13;Wrong key;;;;;;318361290184;MySource;Error;13;Wrong key;;;;;;318361290184;

Additional ListenersAdditional Listeners

Pre-WhidbeyPre-Whidbey : No Console listener, : No Console listener, ASP had their own tracing mechanismASP had their own tracing mechanism

WhidbeyWhidbey : Added Console listener. : Added Console listener. Integrated ASP tracing into our own, Integrated ASP tracing into our own, and added ETW listenerand added ETW listener

Whidbey Tracing FeaturesWhidbey Tracing FeaturesAuto-generated DataAuto-generated Data

Pre-WhidbeyPre-Whidbey : Standard information such as : Standard information such as timestamp or callstack would have to be timestamp or callstack would have to be explicitly generatedexplicitly generatedWhidbeyWhidbey : An Admin can easily generate this : An Admin can easily generate this data automatically, via config settingsdata automatically, via config settings<<listenerslisteners>>

<<addadd namename="examplelog" ="examplelog" typetype= …= …

Simple Thread IdentificationSimple Thread IdentificationPre-WhidbeyPre-Whidbey : specific threads were difficult : specific threads were difficult to identify, and filter onto identify, and filter onWhidbeyWhidbey : Correlation ID has been added, : Correlation ID has been added, which allows quick and easy identification of which allows quick and easy identification of a thread, and simple subsequent filteringa thread, and simple subsequent filtering

Whidbey Tracing FeaturesWhidbey Tracing Features

Listener FilteringListener FilteringPre-WhidbeyPre-Whidbey : Formatting of Trace : Formatting of Trace information was predefined, and not information was predefined, and not controllablecontrollableWhidbey Whidbey : Assign filtering to : Assign filtering to listeners, so only certain messages listeners, so only certain messages are traced. This allows filtering on are traced. This allows filtering on any property of a message. E.g., ID, any property of a message. E.g., ID, TimeStamp, etc.TimeStamp, etc.

SwitchesSwitchesPre-WhidbeyPre-Whidbey : Couldn’t determine : Couldn’t determine what tracing a component supportedwhat tracing a component supportedWhidbeyWhidbey : Support the ability to : Support the ability to determine what tracing mechanisms determine what tracing mechanisms a component hasa component has

Attend a free chat or web castAttend a free chat or web casthttp://www.microsoft.com/communities/chats/default.mspx http://www.microsoft.com/communities/chats/default.mspx http://www.microsoft.com/usa/webcasts/default.asp http://www.microsoft.com/usa/webcasts/default.asp

List of newsgroupsList of newsgroupshttp://communities2.microsoft.com/http://communities2.microsoft.com/communities/newsgroups/en-us/default.aspxcommunities/newsgroups/en-us/default.aspx

MS Community SitesMS Community Siteshttp://www.microsoft.com/communities/default.mspx http://www.microsoft.com/communities/default.mspx

Local User GroupsLocal User Groupshttp://www.msdnbrasil.com.brhttp://www.msdnbrasil.com.br

Community sitesCommunity siteshttp://www.microsoft.com/communities/related/default.mspxhttp://www.microsoft.com/communities/related/default.mspx

ResourcesResources

BCL BlogBCL Bloghttp://weblogs.asp.net/bclteamhttp://weblogs.asp.net/bclteam

BCL WebsiteBCL Websitehttp://www.gotdotnet.com/team/clr/bcl/default.aspxhttp://www.gotdotnet.com/team/clr/bcl/default.aspx

BCL public mail aliasBCL public mail [email protected]@microsoft.com

ReferenceReference.NET Framework Standard Library Annotated Reference.NET Framework Standard Library Annotated Reference

Applied Microsoft .Net Framework ProgrammingApplied Microsoft .Net Framework Programming

Q & A: Q & A:

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