I'm newbie to webdynpro ABAP and need some info regarding select-options. for implementing select-options in webdynpro applications the following steps shud b used.
1. Create the used component. Or instantiate the component controller
2. Call the interface controller
3. Init the selection screen
4. Create the range table for the selection screen.
5. Add selection fields to the range table.
my questions are
1. what is interface controller and why we need to use it?
2. what is the purpose of range table and and why we need to use it?
3. why do we need to write the logic in WDDOINIT and wht is the need of this method?
Please explain me in detail or provide any reference to weblogs which explains in detail?
Ur help is highly appreciated.........