Upload the File From the PC

SAP COMMUNITY NETWORK scn.sap.com

© 2012 SAP AG 1

Web Dynpro: Upload the file from the PC

And display it on Browser

Applies to:

ECC 6.0

Summary

The article aims to help the professionals who have only ABAP knowledge and passion to develop their Web Dynpro knowledge in ABAP. This article provides the knowledge on uploading a file in Web Dynpro and displaying the same on the Browser.

Author(s): Sudeesh Kumar Ravindran

Company: Applexus Technologies (P) LTD.

Created on: 28 March 2012

Author Bio

Sudeesh Kumar Ravindran is working as SAP Technology Consultant with Applexus Technologies (P) LTD.

Web Dynpro: Upload the file from the PC And display it on Browser


© 2012 SAP AG 2

Table of Contents

Introduction ......................................................................................................................................................... 3

Step 1 – Create a Web Dynpro Component ....................................................................................................... 3

Step 2 – Create two nodes in the view ............................................................................................................... 4

Node Details .................................................................................................................................................... 4

Design the Layout ............................................................................................................................................... 5

Create File Upload Element ............................................................................................................................ 5

File Upload Element Details ............................................................................................................................ 6 Binding for Data ........................................................................................................................................................... 6

Binding for File Name .................................................................................................................................................. 6

Binding for MIME Type ................................................................................................................................................ 7

Create a TABLE Element to display the uploaded IMAGE file details ............................................................ 7 Binding is done to the Table with the NODE “N_FILE_DOWNLOAD” ......................................................................... 7

Properties of the Table Element ................................................................................................................................... 8

Create a Button Element ................................................................................................................................. 8 Create an Action for the same using the create button in BUTTON Properties ........................................................... 9

Coding Part for the Action ................................................................................................................................... 9

Create Web Dynpro Application ....................................................................................................................... 11

Test the Web Application .................................................................................................................................. 11

Select the Image File and click Submit Button ............................................................................................. 12

Uploaded Image Details ................................................................................................................................ 12

Click the Link ................................................................................................................................................. 12

Related Content ................................................................................................................................................ 13

Copyright........................................................................................................................................................... 14



© 2012 SAP AG 3

Introduction

In Web Dynpro ABAP, sap provides an inbuilt File upload feature in the View. Using this File upload feature, we can upload the file into our application and process the data available in the file. This article likes to describe the same using an image file. Uploaded image will be displayed in the browser using the Link provided by the application.

Step 1 – Create a Web Dynpro Component

Go to the Transaction Object Navigator



© 2012 SAP AG 4

Step 2 – Create two nodes in the view

Node Details

FILE_NAME

Type – String

FILE_TYPE

Type – String

FILE_SIZE

Type – String

FILE_CONTENT

Type - Xstring



© 2012 SAP AG 5

FILE_NAME

Type – String

FILE_TYPE

Type – String

FILE_SIZE

Type – String

FILE_CONTENT

Type – Xstring

Design the Layout

Under the layout tab we need to create two elements to get the IMAGE file and to display the details of the IMAGE file with a link to display the image on the browser.

Create File Upload Element



© 2012 SAP AG 6

File Upload Element Details

Binding for Data

Binding for File Name

File Content

File Name

File Type



© 2012 SAP AG 7

Binding for MIME Type

Create a TABLE Element to display the uploaded IMAGE file details

Binding is done to the Table with the NODE “N_FILE_DOWNLOAD”

File Download Data



© 2012 SAP AG 8

Properties of the Table Element

Create a Button Element

Binded Details!!



© 2012 SAP AG 9

Create an Action for the same using the create button in BUTTON Properties

Coding Part for the Action

Create the Action!!



© 2012 SAP AG 10

DATA lo_nd_n_upload TYPE REF TO if_wd_context_node. DATA lo_el_n_upload TYPE REF TO if_wd_context_element. DATA ls_n_upload TYPE wd_this->element_n_upload. DATA lo_nd_n_file_download TYPE REF TO if_wd_context_node. DATA lo_el_n_file_download TYPE REF TO if_wd_context_element. DATA ls_n_file_download TYPE wd_this->element_n_file_download. DATA lt_table TYPE TABLE OF wd_this->element_n_file_download. * navigate from <CONTEXT> to <N_UPLOAD> via lead selection lo_nd_n_upload = wd_context->get_child_node( name = wd_this->wdctx_n_upload ). * get element via lead selection lo_el_n_upload = lo_nd_n_upload->get_element( ). * get all declared attributes lo_el_n_upload->get_static_attributes( IMPORTING static_attributes = ls_n_upload ). ls_n_upload-file_size = XSTRLEN( ls_n_upload-file_content ). * navigate from <CONTEXT> to <N_FILE_DOWNLOAD> via lead selection lo_nd_n_file_download = wd_context->get_child_node( name = wd_this->wdctx_n_file_download ). * @TODO handle not set lead selection IF lo_nd_n_file_download IS INITIAL. ENDIF. * get element via lead selection lo_el_n_file_download = lo_nd_n_file_download->get_element( ). * @TODO handle not set lead selection IF lo_el_n_file_download IS INITIAL. ENDIF. MOVE-CORRESPONDING ls_n_upload TO ls_n_file_download. APPEND ls_n_file_download TO lt_table. CALL METHOD lo_nd_n_file_download->bind_table EXPORTING new_items = lt_table.



© 2012 SAP AG 12

Select the Image File and click Submit Button

Uploaded Image Details

Click the Link

Uploaded image will be displayed in a separate browser window.

Link of the Uploaded Image File



© 2012 SAP AG 13

Related Content

http://help.sap.com/saphelp_nw70/helpdata/en/77/3545415ea6f523e10000000a155106/content.htm

http://help.sap.com/saphelp_nw04s/helpdata/en/43/1f6442a3d9e72ce10000000a1550b0/content.htm

http://help.sap.com/saphelp_nw04s/helpdata/en/43/1f6442a3d9e72ce10000000a1550b0/frameset.htm

http://help.sap.com/saphelp_nw70/helpdata/en/77/3545415ea6f523e10000000a155106/content.htm

http://help.sap.com/saphelp_nw04s/helpdata/en/43/1f6442a3d9e72ce10000000a1550b0/content.htm

http://help.sap.com/saphelp_nw04s/helpdata/en/43/1f6442a3d9e72ce10000000a1550b0/frameset.htm



© 2012 SAP AG 14

Copyright

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