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Jan 17, 2005 at 03:52 PM

selection-screen messaging

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hi friends i have a problem in selection-screens

SELECT-OPTIONS so_cuno FOR kna1-kunnr.

PARAMETERS p_cuna LIKE kna1-name1.

SELECTION-SCREEN PUSHBUTTON /10(20) text-003 USER-COMMAND disp.

SELECTION-SCREEN PUSHBUTTON 40(20) text-004 USER-COMMAND rese.

SELECTION-SCREEN PUSHBUTTON 70(20) text-005 USER-COMMAND exit.

here we want an error message when so_cuno is empty only when i press f8 and it needs to be show the selection-screen to be redisplayed instead of going to the list.

here after pressing enter or after pressing exit button, or after reset we don't want the error message

thanku friends bye