web dynpro for abap
Post on 13-Apr-2017
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WebDynpro for ABAPTM
Building a simple application
WebDynpro for ABAP - TM
BUILDING A SIMPLE APPLICATION
Scenario: To create and run a simple WebDynpro Application. We would accept an input value from the user on first screen and display the value entered on the second screen.
Note: Please refer to the SAP help for detailed information of the components used in this document.
1. Go to transaction SE80. Please note that there is no separate transaction for creation of WebDynpro application other than SE80.
2. Select WebDynpro Comp./Intf from the list (as shown below)
3. Create a new WebDynpro component by the name ZSAPTECHNICAL_DEMO.
Assign it to the local object.
4. Right click on the WebDynpro component ZSAPTECHNICAL_DEMO and create a view.
Save the application
5. Double-click on the COMPONENTCONTROLLER.
6. Check if the application is in change mode.
7. Create a node as shown below:
8. Create an attribute for the node as shown below:
Save the application.
9. Double-click on the view, FIRST_VIEW, created earlier.
In this step, we would be designing the first screen of our application with the following elements:
Label for the input field
Button (for Submit)
Drag and drop the element Label onto the layout.
After dragging and dropping onto the layout, change the text of the Label to Username in the right side bottom of the window.
Now drag and drop the input field onto the layout.
Now click on the Label element created earlier and set the property of LabelFor to INPUT_FIELD.
Finally, drag and drop the element Button on to the layout.
In the properties window of the Button, do the following:
Change the text to Submit
Click on Create for the property OnAction.
Enter the Action and the Outbound Plug name.
Press OK for the creation prompt of Outbound Plug.
Click on Contexttab. Drag and drop the Node on the right side to the context on the left side.
Click on YES for the prompt for the node to copied and mapped.
Save the application.
Click on Layout tab now.
Double-click on the Input_field and in the properties:
a) For the property Value, select the attribute Name by clicking on the binding button.
We are done with designing of the first screen.
10. In this step, we would design the second screen of our application.
Right-Click on the WebDynpro component and create another view, SECOND_VIEW.
Create a label, Entered Name as mentioned in the earlier step.
We would display the value entered on the first screen in an element called text view.
Drag and drop the element Text View onto the layout.
Click on Context tab and map the nodes as in our earlier step.
Go to Tab Inbound Plugs and create an inbound plug as shown below:
Go back to the layout now.
Now double-click on the element TextView to open the properties. For the property Text, click on the binding button and select Name
11. In this step, we would embed the above created views in the window created in the first step.
a) Double-click on the window MAIN_WINDOW.
b) Right-click on the window name and select EMBED VIEW.
c) Embed both the views created earlier. Do not select the view EMPTYVIEW which is created by default.
d) Expand the tree.
e) Now right-click on SUBMIT and select Create Navigation.
f) Select SECOND_VIEW for the dest.view.
g) Now select the FIRST_VIEW and make it as default.
Save and activate the application (When activating, select all the six components related to this
webdynpro application. If all six components are activated, only then your application executes)
Now your application is ready to execute. Lets look at the method of testing this application.
Testing your WebDynpro Component
1. Right-click on the WebDynpro Component and create WebDynpro Application.
2. Without changing any values, press SAVE.
3. Execute your WebDynpro application.