Hello. I have two SSA field(e.g: SSA1 for Customer, SSA2 for invoice) in same screen. i want to filter data in SSA2 base on SSA1.

e.g: Customer1 has invoice (1,2,3,4,5). Customer2 has invoice ( 6,7,8,9) . when user select Customer2 in SSA1. data in SSA2 should show invoice only ( 6,7,8,9) in list.

So can anybody tell how can i do this ?

Best Regards,

/Sokheng