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Transcript of Creating Dynamic Database-Driven Sites with Dreamweaver Lloyd Rieber Workshop Home Page: ASP PHP...
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Creating Dynamic Database-Driven Sites with Dreamweaver
Lloyd Rieber
Workshop Home Page:http://projects.coe.uga.edu/workshop/rieber/
ASPPHPJSP
ColdFusion
Last updated on November 20, 2008
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Recommended: Get and Install the Dreamweaver Extension
'Go To Detail Extension for PHP'
• Here’s the URL:
http://www.adobe.com/cfusion/exchange/index.cfm?event=extensionDetail&extid=627434
(Link is on workshop home page.)
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Workshop Agenda
• Welcome and introductions• Seeing the power of a dynamic web site in
education– Online Introduction to Instructional Design
• Seeing/doing it: Building a small dynamic “people” web site– List current people, add new person, update existing
person
• Advanced topics– Session variables, PHP scripting, Automated Email
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Some of Lloyd’s Examples of Using Online Databases
• Online Introduction to Instructional Design• Other examples
– Project Promote– Peer Financial Counseling– WWILD Team– Introduction to Computers in Education
(Online Course)– EDIT 6170 IDA Library– IDD Portfolio Management
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http://www.nowhereroad.com/instructionaldesign
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Program Flowchart
list.php
insert.phpupdate.php
update_record_reply.htm new_record_reply.htm
Update Record Insert Record
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Here are the files we will eventually create…
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Client requests PHP File
Client
Server
Server returns HTML text to client
Server locates the PHP file on the hard drive and parses it, removing all PHP script and replacing it with HTML text
Client/Server Interaction for PHP Files
Adapted from Mitchell & Atkinson (2000)
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How Databases Work
A 15-Minute Primer
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“Flat” Database Structure
Database
Record Record Record
Field Field Field
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“Flat” Database Structure
Studio People
Lloyd Ike Greg
Database ID Name Course
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Relational Database StructureA Collection of Databases (tables) that connect (relate) to each other
Orders
Order1 Order2 Order3
People_ID Order_ID Book_Title Price
People
John Mary Jane
People_ID Name Address Email
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Working with mySQL DatabasesphpMyAdmin
http://projects.coe.uga.edu/pma
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Step 1: Make a root folder
Step 2: Create a folder inside it named:yourLastname
Getting Ready to Work with Dreamweaver
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Step 3: Launch Dreamweaver and define a new site that points to the root folder.
Launch Dreamweaver
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Remote Server Information
Be sure to “Test” your connection before proceeding.
Password:
(this will be changed within a few days)
Notice that this server needs a Secure FTP connection.
eu3$@93!
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Testing Server Information
Be sure to “Test” your connection before proceeding.
Double-check that this URL is correct. (On some servers, you will need to remove server-side pathways, such as “wwwroot”, from the URL Prefix.
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Creating a Simple Search/Results Page Set
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Make a new file called “list.php”
Add a 2 X 4 table and format accordingly:
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Creating a Data ConnectionGo to the Application Panel, click on “Databases” tab, then follow the directions…
Naming convention:
connDescriptive
Use “connLastName” (for reasons I’ll explain)
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Notice that a folder titled “Connections” has been automatically created in your root folder.
Creating a Data Connection
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Creating a New RecordSetGo to the Application Panel, click on “Bindings” tab, then follow the directions…
Naming convention:
rsDescriptive
Use “rsPeople”
Always testing the connection is a good habit to develop
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Insert Dynamic Data into Document
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Click on “Server Behavior” Tab and Note What you Find
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Repeating a Region with Multiple DataStep 1: Select table row <tr> as the region to repeat.
(Repeat Region is always linked to a specific HTML tag.)
Step 2: Select “Repeat Region” from Server Behaviors.
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Upload and Test the PageChoose to “include dependent files” (only necessary the first time you upload).
Reason: The “Connections” file needs uploaded too.
http://projects.coe.uga.edu/workshop/rieber/list.php
Your last name goes here
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Creating an Insert Page
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Create a New Document…
insert.php
Select from menubar…
Insert
Data Objects >
Insert Record >
Record Insertion Form Wizard
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Filling out the Dialog Box
Remove from list
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Form is Created… Feel free to modify
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Create “new_record_reply.html”
Click here to view all the records.
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Upload and Test
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Creating an Update/Delete Page
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Reminder: Get Extension 'Go To Detail Extension for PHP'
• Here’s the URL:
http://www.adobe.com/cfusion/exchange/index.cfm?event=extensionDetail&extid=627434
(Link is on workshop home page.)
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What If I Didn’t Get the Extension?
• Then you will have to enter the code manually:
Generic:
filename.php?recordID=<?php echo $row_recordsetName['fieldName']; ?>
Actual for the example to follow:
update.php?ID_people=<?php echo $row_rsPeople['ID_people']; ?>
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list.php: Add Text “update” to 4th Column
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Go to Detail Page
Highlight the text “update”, then choose to “Go to Detail Page” (in Server Behaviors)
Be sure that “ID_people” data will be passed as a URL parameter.
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Create “update.php” page
Click on “Bindings” tab, then choose to create a new recordset by clicking on + symbol and selecting “Recordset (Query).
The “filter” must match the data being passed from the previous slide:
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Record Update Form
Select from menubar…
Insert
Data Objects >
Update Record >
Record Update Form Wizard
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Complete Dialog Box
Remove from list
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Modify Form As You Wish
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Create the Reply page
update_record_reply.htm
Be sure to include a link back to “list.php”
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Upload and Test the Page
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Upload and Test the Page
Notice the data appended to the end of the URL
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Creating a User Login Page
Create a form. Then, create a 2 X 2 table in the form as shown below.
In the Property Inspector window…
Title this TextField “email”
Title this TextField “password”
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Creating a User Login PageClick somewhere inside the form,
then select the <form> tag.
In the Action field, enter this page title (we will create the page itself later).
Be sure to choose POST as the method.
The GET method will send the user’s email and password as part of the URL, which is a security risk. Upload the page.
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Creating the “update-account.php” Page
Insert a 2 X 1 table with messages as shown below in each row.
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Creating the “update-account.php” PageIn the Bindings tab, choose to create a new Recordset (Query):
Name the recordset “rsAccount” and select the connection:
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Creating the “update-account.php” PageClick on the “Advanced…” button…
The dialog box changes to give us access to the SQL programming…
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Creating the “update-account.php” PageEnter the following SQL code and add the variables – varEmail and varPassword - as shown, test the code for errors, then click “OK”:
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Creating the “update-account.php” Page1. Click somewhere in the first row, then click on the <tr> tag to choose that row. This selects the row as a “region”:
2. With this region selected, go to the Server Behaviors and choose:Show Region > Show Region If Recordset is Empty.
3. Choose the ‘rsAccount’ RecordSet, and click OK:
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Creating the “update-account.php” Page
Repeat the steps on the previous slide, except:Select the second rowChoose to “Show Region If RecordSet Is Not Empty
Upload the page.
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Test the Log-In Page
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Test the Log-In PageIf you log-in correctly, you should see this result…
If you log-in incorrectly, you should see this result…
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Use the “Record Update Form Wizard” to add an update form to the second table row
Select from menubar…
Insert
Data Objects >
Update Record >
Record Update Form Wizard
Upload the page and test the site.
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Maintaining “State” of a UserTwo Approaches
• Passing data via the URL from page to page– Exactly what we have been doing so far– Drawbacks
• Users can bookmark specific pages without logging in
• Savvy users can access accounts other than their own
• Creating a session variable– User’s browser must be set to allow “cookies”
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Session Variable
• A type of cookie
• Stores a particular piece of information temporarily on the client’s computer– The variable is deleted when the browser is
closed, or when there is inactivity for a set period of time.
• How and where to declare this variable?
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Where to Set a Session Variable
• Needs to be set after a verified log-in has occurred
• Recommendation– Add this variable in the “Show Region”
behavior
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1. Click here to highlight the “Show Region” behavior associated with a successful log-in.
2. Click here to view the code.
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We will add the code to create the session variable as the first line AFTER the “If-then” statement
ASP Example!
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<% Session ("People_ID") = rsAccount.Fields.Item("People_ID").Value %>
Name of the record set. Name of the variable we need from the record set.
ASP Example!
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Using Session Variables
• Create a new .asp page
• In the Bindings tab, create a new record set and use the Session variable as a filter:
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Other Useful Session Commands
• Setting a time limit (in minutes) for when the Session variable will expire if there is no activity:
• Creating a “Log Out” option that clears all session variables
<% Session.Abandon %>
<% Session.TimeOut = 300 %>
ASP Example!
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VB Script
ASP Example!
![Page 71: Creating Dynamic Database-Driven Sites with Dreamweaver Lloyd Rieber Workshop Home Page: ASP PHP JSP ColdFusion.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f2a5503460f94c4454d/html5/thumbnails/71.jpg)
In Simple English:
If “ready4feedback” equals “y”, then display
Otherwise, display
Useful VB Script Example
This “If-Then” statement checks the value of a particular field in a recordset and displays an appropriate graphic depending on its value.
<% If (rsIDA_course.Fields.Item("ready4feedback").Value) = "y" Then _ Response.Write("<img src='resources/yes.gif'>") _Else Response.Write("<img src='resources/no.gif'>") %>
ASP Example!
![Page 72: Creating Dynamic Database-Driven Sites with Dreamweaver Lloyd Rieber Workshop Home Page: ASP PHP JSP ColdFusion.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f2a5503460f94c4454d/html5/thumbnails/72.jpg)
Book Recommendations for Learning More
![Page 73: Creating Dynamic Database-Driven Sites with Dreamweaver Lloyd Rieber Workshop Home Page: ASP PHP JSP ColdFusion.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f2a5503460f94c4454d/html5/thumbnails/73.jpg)
![Page 74: Creating Dynamic Database-Driven Sites with Dreamweaver Lloyd Rieber Workshop Home Page: ASP PHP JSP ColdFusion.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f2a5503460f94c4454d/html5/thumbnails/74.jpg)
![Page 75: Creating Dynamic Database-Driven Sites with Dreamweaver Lloyd Rieber Workshop Home Page: ASP PHP JSP ColdFusion.](https://reader036.fdocuments.us/reader036/viewer/2022062408/56649f2a5503460f94c4454d/html5/thumbnails/75.jpg)
References• Bardzell, J., Flynn, B. (2007). Adobe Dreamweaver CS3
with ASP, ColdFusion, and PHP: Training from the Source. Adobe Press.
• Lowery, J. W. (2007). Dreamweaver CS3 Bible. Indianapolis, IN: Wiley Publishing.
• Meloni, J., & Telles, M. (2008). PHP 6 Fast & Easy Web Development. Boston: Course Technology.
• Mitchell, S., & Atkinson, J. (2000). Teach yourself Active Server Pages 3.0 in 21 days. Indianapolis, IN: SAMS.
• Ray, J. (2003). Teaching yourself Dreamweaver MX Application Development in 21 days. Indianapolis, IN: SAMS.