Open the Data element in SE11 and the Domain.
These are the domain fixed values and we want to show these values as drop down values in web dynpro.
Create an web dynpro component. In the view context node add an attribute.
Provide the Data element name as as TYPE.
Go to layout design.
Add a Label and a DropDOwn Key element.
Bind it to the context attribute.
Create an App and test it.