Tables selection for out put

Hi All,

I have some problem in line items dispaly .

In my report i am selecting data from BSAS and BSIS tables using some radiobuttons.

but in my specification mentioned BSID-fields ,line Items as reference fields to be dispalyed.

means i am taking data from BSAS and BSIS tables ,but we need to display BSID table,

Can you any help on this issues ,how to do coding..in ALV grid layout..

Thanks,

Sridhar