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Object documentation Web Dynpro Form UI Element ValueHelpDropDownList  Locate the document in its SAP Library structure

The form UI element ValueHelpDropDownList is a Web Dynpro-specific checkbox element. It contains the script that is required for the link to the server in order to retain the elements of the list field from the back end at runtime. This Library object enables the end user to set up an input help request to the SAP server.  This request always works in online mode, but not in offline mode. A server-side update of the input help is possible.

Using Drag&Drop, enter the Web Dynpro form UI element ValueHelpDropDownList  from Library → Web Dynpro into the work area of the Adobe Designer, the Body Pages editor.

In the XML file<ViewName>.wdview, the element

<bind match="dataRef" ref="$record.<ContextNode>[*].<ContextAttribute>"/>

is responsible for this function. Each context attribute that you have defined in the WD View context in the Controller/Context Editor and in the Adobe Designer on the DataView tab for DataSource of your form is represented in the view file through a separate tag.

 

 

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