Screen chnages

Question

Hi all,
My requirement is I need to display to new fields depending on the check box..?
if the check box is checked then I need to show the two fields,
before that it should not be visible...
I can do it at event AT SELECTION-SCREEN OUTPUT.
but how to make it visible when after
LOOP AT SCREEN.....
please resopnd....
thanks

Answer 1

Hi
Screen-invisible = 0.
then it will be invisible
but the logic should be like this.
see this report you can understand by executing this
if u had any doubts inform me.
REPORT  ZNNR_REPORT NO STANDARD PAGE HEADING MESSAGE-ID ZNNR LINE-SIZE 100 LINE-COUNT 65(4).
******DATA DECLARATIONS**********
DATA : BEGIN OF IT_PLANT OCCURS 0,
        MATNR LIKE MARA-MATNR,
        WERKS LIKE MARC-WERKS,
        PSTAT LIKE MARC-PSTAT,
        EKGRP LIKE MARC-EKGRP,
       END OF IT_PLANT.
DATA : BEGIN OF IT_PONO OCCURS 0,
        EBELN LIKE EKKO-EBELN,
        EBELP LIKE EKPO-EBELP,
        MATNR LIKE EKPO-MATNR,
        WERKS LIKE EKPO-WERKS,
        LGORT LIKE EKPO-LGORT,
       END OF IT_PONO.
TABLES EKKO.
********END OF DATA DECLARATIONS*********
********SELECTION SCREEN DESIGN ***********
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
PARAMETER : P_WERKS LIKE MARC-WERKS MODIF ID S1.
SELECT-OPTIONS : S_EBELN FOR EKKO-EBELN NO INTERVALS MODIF ID S2.
SELECTION-SCREEN END OF BLOCK B1.
SELECTION-SCREEN BEGIN OF BLOCK B2 WITH FRAME TITLE TEXT-004.
SELECTION-SCREEN BEGIN OF LINE.
PARAMETERS : R1 RADIOBUTTON GROUP G1 DEFAULT 'X'.
SELECTION-SCREEN COMMENT 5(20) TEXT-002 FOR FIELD R1.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
PARAMETERS : R2 RADIOBUTTON GROUP G1.
SELECTION-SCREEN COMMENT 5(20) TEXT-003 FOR FIELD R2.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN END OF BLOCK B2.
******END OF SELECTION SCREEN DESIGN****************
*********INITIALIZATION OF SELECTION SCREEN ELEMENTS.*****
INITIALIZATION.
P_WERKS = '1000'.
S_EBELN-LOW = '4500016926'.
S_EBELN-OPTION = 'EQ'.
S_EBELN-SIGN = 'I'.
APPEND S_EBELN.
CLEAR S_EBELN.
************END OF INITIALIZATION***********************
***********SCREEN MODIFICATIONS*******************
AT SELECTION-SCREEN OUTPUT.
  LOOP AT SCREEN.
    IF R1 EQ 'X' AND SCREEN-GROUP1 EQ 'S2'.
      SCREEN-INPUT = 0.
      MODIFY SCREEN.
    ENDIF.
    IF R2 EQ 'X' AND SCREEN-GROUP1 EQ 'S1'.
      SCREEN-INPUT = 0.
      MODIFY SCREEN.
    ENDIF.
  ENDLOOP.
********END OF SCREEN MODIFICATIONS*****************