Re: Hide a field on selection screen based on parameter transaction

INITIALIZATION.

   LOOP AT SCREEN.

     IF screen-name = 'P_WERKS' OR screen-name =  '%_P_WERKS_%_APP_%-TEXT'.

       IF sy-tcode IS NOT INITIAL.

         screen-output = '0'.

         screen-active = '0'.

         MODIFY SCREEN.

       ENDIF.

     ENDIF.

   ENDLOOP.