pls help me t solve these IQ's.
1. what is the use of is_variant and how to use it?
2. how to run a bdc without legacy in resentation server and how?
3. how to initialize call transaction mode other than 's' and 'a' through coding?
4. without coding and screen sequence how to run a call transaction?
5. how to write tect only in last pge in script
6. how to design a layout using coding?
7. how to access smartform in prg other than ssf_function_module_name?