parameters: p_owerks like marc-werks obligatory modif id blq.
parameters: p_olgort like mard-lgort obligatory modif id blq.
select-options: so_mtart for mara-mtart modif id blq.
select-options: so_matnr for mara-matnr.
parameters: p_dwerks like marc-werks obligatory modif id blq.
parameters: p_dlgort like mard-lgort obligatory.
AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
IF screen-group1 = 'BLQ'.
screen-input = '0'.
ENDIF.
MODIFY SCREEN.
ENDLOOP.
