Validating duplicate entries through ALV Grid

10 pts.
Tags:
ALV
ALV grid
I'm trying to validate the output in ALV format. I need to validate if the same primary key exist while user is creating a new record in the ALV output. If the same record is entered many time ( with the same primary key), it should pop up some error and i'm calling call method pr_data_changed->add_protocol_entry. But i'm not able to apply the logic for 2 fields as primary key. I check the method check_double_entry in program BCALV_EDIT_04. it does the same but it checks i field 'FLDATE' as primary key. Could you pls heple me how to use this logic in case where more than 1 field is primary key. Regards, Santos P

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