SELECTION-SCREEN:begin of BLOCK b1 with FRAME TITLE text-000.
SELECT-OPTIONS:s_matnr for mara-matnr,
s_werks for mard-werks,
s_lgort for mard-werks.
SELECTION-SCREEN:end of BLOCK B1.
INITIALIZATION.
select matnr from mara into TABLE it_mara where matnr in s_matnr.
loop at it_mara into wa_mara.
s_matnr-low = wa_mara-matnr.
s_matnr-sign = 'I'.
s_matnr-option = 'EQ'.
append s_matnr.
ENDLOOP.
at selection-SCREEN output.
loop at screen.
if screen-name = 's_matnr-low' or screen-name = 's_matnr-high'.
screen-input = 0.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
This should make my selection screen matnr field readonly but this doesn't work...any thoughts??
