How to disable fields in a report at runtime

Hi All,
        i want to know is there any method to disable a particular field on the selection screen of a report program at runtime....
For example ... if i have two select options on the screen and i want to disable the second field if anything is entered in first field ....
can it be possible.. if yes then share then share the logic.
Thanks & regards,
Syed

Hi,
Please check the sample code below
AT SELECTION-SCREEN.
IF SEL_OPT1 IS NOT INITIAL.
LOOP AT SCREEN.
IF SCREEN-NAME = SEL_OPT2.
SCREEN-INPUT = 0.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
Hope this would help you.
Good luck
Narin

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