How to make some fields disable mode in BAPI?
I want to know in Bapi, In Import parameters of output display screen as we are entering values i want to make some fields disable mode (as in report program, in output screen, suppose 2 entry fields are der so i need only one and another one in disable mode)how to do in BAPI? please explain with example by taking 2 or 3 predefined tables? and in Bapi how to do ranges programs.. please explain with example? is it posiible in bapi to display the output in ALV_GRID method?