Hiding a selection screen

Hi,
I have a small issue in hding a selection screen.I am able to hide the screen but when i use a push button to display it i am not able to it.Can some one tell me where i am going wrong .I am herewith sending you the code.If i use the flas then it works.
TABLES VBAK.
SELECTION-SCREEN BEGIN OF SCREEN 9000.
SELECTION-SCREEN PUSHBUTTON 10(5) PB1 USER-COMMAND AB1.
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
SELECT-OPTIONS : P_VBELN FOR VBAK-VBELN MODIF ID A1.
SELECTION-SCREEN END OF BLOCK B1.
*DATA FLAG.
SELECTION-SCREEN END OF SCREEN 9000.
INITIALIZATION.
PB1 = 'Push'.
*FLAG = 0.
AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
   IF SCREEN-GROUP1 = 'A1'.
    SCREEN-ACTIVE = 0.
   SCREEN-ACTIVE = FLAG.
    MODIFY SCREEN.
ENDIF.
ENDLOOP.
START-OF-SELECTION.
CALL SELECTION-SCREEN 9000.
AT SELECTION-SCREEN.
CASE SY-UCOMM.
    WHEN 'AB1'.
     CLEAR FLAG.
     FLAG = 1.
      CLEAR SCREEN.
       LOOP AT SCREEN.
      IF SCREEN-GROUP1 = 'A1'.
      SCREEN-ACTIVE = 1.
     SCREEN-ACTIVE = FLAG.
      MODIFY SCREEN.
      ENDIF.
      ENDLOOP.
      ENDCASE.
I do not want to use the flag.Can someone tell me what should i do to rectify it.
Thanks
Regards
Harish

Try this
TABLES: VBAK.
DATA ok_code TYPE sy-ucomm.
SELECTION-SCREEN BEGIN OF SCREEN 9000.
SELECTION-SCREEN PUSHBUTTON 10(5) PB1 USER-COMMAND AB1.
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
SELECT-OPTIONS : P_VBELN FOR VBAK-VBELN MODIF ID A1.
SELECTION-SCREEN END OF BLOCK B1.
*DATA FLAG.
SELECTION-SCREEN END OF SCREEN 9000.
INITIALIZATION.
PB1 = 'Push'.
*FLAG = 0.
AT SELECTION-SCREEN.
ok_code = sy-ucomm.
AT SELECTION-SCREEN OUTPUT.
CASE ok_code.
WHEN 'AB1'.
LOOP AT SCREEN.
IF SCREEN-GROUP1 = 'A1'.
SCREEN-ACTIVE = 1.
* SCREEN-ACTIVE = FLAG.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
WHEN OTHERS.
LOOP AT SCREEN.
IF SCREEN-GROUP1 = 'A1'.
SCREEN-ACTIVE = 0.
* SCREEN-ACTIVE = FLAG.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
ENDCASE.
START-OF-SELECTION.
CALL SELECTION-SCREEN 9000.

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Hiding a selection screen field for Standard Report Transaction

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Did you think about modifying the standard report by adding NO-DISPLAY to the parameter option?
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Hi all,
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SELECTION-SCREEN BEGIN OF BLOCK alv WITH FRAME TITLE alvframe.
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write as below ...
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Hello SDNers,
This is my scenario.
I need to have 2 selection screens ie b1 and b2.
initially b2 should be hidden and when i make a selection on b1 the block b2 should be displayed.
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selection-screen begin of block B1.
parmeter : r_cust radiobutton group grp1,
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Is this possible if yes please paste a sample snippet for understanding.
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Hi...
Please check the code...
It will solve your problem
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selection-screen: begin of block c3 with frame title text-001.
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form sub_set_file_param .
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        screen-active = 0.
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endloop.
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Thanks
Subhankar

Problem with Hiding fields of selection screen which is called as subscreen

Hello All,
I have problem while hiding the selection screen which is called as subscreen.
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parameters : GR1 Radiobutton group rg1 default 'X',
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SELECTION-SCREEN BEGIN OF BLOCK b1 with frame title text-017.
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hi,
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PARAMETERS : gr1 RADIOBUTTON GROUP rg1 DEFAULT 'X' USER-COMMAND ud,
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SELECTION-SCREEN END OF BLOCK b2.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-017.
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AT SELECTION-SCREEN on Z_S_SGTX.
if Z_S_SGTX is initial.
" Raise an error message here
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Hiding selection-screen

Hi All,
I have a requirment to hide a selection-screen block based on the radio button option displayed in selection-screen.
I am able to do this, but in this block there are some mandatory fields to be filled .
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Thanks & Regards,
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Hi Rajasekhar,
Either remove the 'obligatory' keyword from the syntax when you declare the mandatory fields, rather, check in your program, whether these fields are filled for suitable radio-button corresponding to that block, and if these are empty, give error message 'Fill in required fields'. Thus while hiding the block for a different radio-button You do not require to fill these fields.
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Hi Experts,
I have a requirement to hide/disable screen fields in a report selection screen when the user clicks on some radio buttons .
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Contd.....
AT SELECTION-SCREEN.
CASE SSCRFIELDS-UCOMM.
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Hiding fields in Report Selection Screen which have Mandatory Fields

Hi Friends,
I have 2 Radio Buttons. PO and SO. If PO is selected, user need to input the Plant value in the Sel.Scrn which is mandatory and Storage Location field will be invisible.
If SO is selected, then user need to input the Plant and Storage Location value which are mandatory. Now Storage Location will be visible.
When radio button SO is seleted, SAP triggers an error message as 'Make an entry in all required fields' without displaying Storage Location input field in Sele. Scrn.
How to do this.? I checked in SCN and not find perfect match to solve for Mandatory Input Fields.
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Hi,
Yes. What Rob has told is correct. Try like this.
AT SELECTION-SCREEN.
IF po_po EQ 'X'.
IF so_werks[] IS INITIAL.
MESSAGE 'Please enter plant' TYPE 'E'.
ENDIF.
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MESSAGE 'Please enter plant' TYPE 'E'.
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ENDIF.
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Hiding some fields in default selection screen in hr abap created by pernr

Hi experts,
I have created default selection screen,in that in the Period option I wants display only 'Today'.
And in the selection criteria i wants to display personnel number,companycode,personnelsubarea,employee status and instead of payroll area i wants to display 'Org unit'.please tell me step by step procedure,that could be greate helpfull.
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mohan

hi mohan,
try this
   **Local constants
   CONSTANTS:
          c_0                   VALUE '0' ,
          c_089     TYPE char3 VALUE '089',
          c_091     TYPE char3 VALUE '091',
          c_095     TYPE char3 VALUE '095',
          c_097     TYPE char3 VALUE '097'.
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at selection-screen output.
LOOP AT screen.
      IF
           screen-group4 = c_089 OR
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Hiding of Select Options in screen based on selection in selection list box

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I am setting some flags based on the value which user selects in the selection list box, When I debugged I found that the flags were being set correctly, but the screen group value never set to '222' or '333', these are id's i have used for select options. Hence I am unable to hide/show the select options fields. Kindly suggest some solutions for this.
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Deepak

then in the PBO of my screen
Your SELECT-OPTIONS are defined in a SELECTION-SCREEN so the PBO actions must be maintained in a AT SELECTION-SCREEN OUTPUT block.
I suppose the selection-screen is a subscreen, if you dont want to get unwanted interactions with a main selection-screen of the report, check sy-dynnr
AT SELECTION-SCREEN OUTPUT.
   CASE sy-dynnr.
     WHEN '1000'. " main screen of report
     WHEN '0100'. " selection-screen defined as subscreen
       LOOP AT SCREEN.
         CASE SCREEN-GROUP1.
           WHEN '111'.
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Hiding variable values in the input selection screen.

Hello Experts,
We have an authorisation relevant characteristic on which we have built a variable. We have restricted few values for this characteristic through the analysis authorisation.
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Hiding some fields in default selection screen in hr abap

Hi Experts,
I am new to hr abap.I have created default selection screen by using LDB .in that i wants to display only the personnel number field.
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use
at slection-screen output.
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if screen-name = 'PNPBUKRS'. (example)
screen-active = '0'.
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==========================
u can do it as group wise also.
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screen-active = '0'.
endif.
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====================
Hi,
Can u tell me which LDB and report category u are using so that i will send u the code as per the req.
If the above code suits to ur req. pls reward the points.
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eswar

Hiding and Unhiding Fields On The Selection Screen

Hi Guys/Dolls
I've managed to grey out and hide some fields on a selection screen within the AT SELECTION-SCREEN OUTPUT section but don't know how to re-instate them.
basically on initial entry of the screen some fields are hidden but once I enter some pre-requisite data I need to display them but in a greyed out manner.
I've done the first bit but don't know how to do the 2nd bit i.e re-display the fields.
Any help would be appreciated.
Many thanks in advance.
Raj
My code is as follows:-
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN POSITION POS_LOW.
PARAMETERS: begcalsh LIKE t549q-begda MODIF ID pe4.
SELECTION-SCREEN COMMENT (1) text-199 FOR FIELD endcalsh
MODIF ID pe4.
PARAMETERS: endcalsh LIKE t549q-endda MODIF ID pe4.
SELECTION-SCREEN POSITION POS_HIGH.
PARAMETERS: begrefsh LIKE t549q-begda MODIF ID pe5.
SELECTION-SCREEN COMMENT (1) text-199 FOR FIELD endrefsh
MODIF ID pe5.
PARAMETERS: endrefsh LIKE t549q-endda MODIF ID pe5.
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AT SELECTION-SCREEN OUTPUT.
* Grey out the parameters.
PERFORM params_grey_in_out USING 'false' 'PE4'.
PERFORM params_grey_in_out USING 'false' 'PE5'.
* Hide the parameters.
PERFORM params_show_hide USING 'false' 'PE4'.
PERFORM params_show_hide USING 'false' 'PE5'.
AT SELECTION-SCREEN.
PERFORM params_show_hide USING 'true' 'PE4'.
PERFORM params_show_hide USING 'true' 'PE5'.
*&      Form params_grey_in_out
FORM params_grey_in_out USING value(iv_triggering_param)
                                 value(iv_screen_group).
*this form activates fields with MODIF ID = IV_SCREEN_GROUP
*if IV_TRIGGERING_PARAM eq TRUE and greys them out otherwise.
DATA lx_input LIKE screen-input.
IF iv_triggering_param EQ 'true'.
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LOOP AT SCREEN.
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ENDFORM.                    " params_grey_in_out
*&      Form params_show_hide
FORM params_show_hide USING value(iv_triggering_param)
                                 value(iv_screen_group).
*this form displays fields with MODIF ID = IV_SCREEN_GROUP
*if IV_TRIGGERING_PARAM eq TRUE and hides them otherwise.
DATA lx_active LIKE screen-active. "(1) type n.
DATA lx_invisible LIKE screen-active. "(1) type n.
IF iv_triggering_param EQ 'true'.
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ELSE.
    lx_active = 0.
    lx_invisible = 1.
ENDIF.
LOOP AT SCREEN.
    IF screen-group1 EQ iv_screen_group.
      screen-invisible = lx_invisible.
      screen-active = lx_active.
      MODIFY SCREEN.
    ENDIF.
ENDLOOP.
ENDFORM.                    " params_show_hide

hi u use this logic
   LOOP AT SCREEN.
      IF screen-group1 = 'GR3'.
        screen-active = 1.
        screen-input = 0.
        MODIFY SCREEN.
      ENDIF.
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ELSE.
    LOOP AT SCREEN.
      IF screen-group1 = 'GR2'.
        screen-invisible = 0.
        screen-input = 0.
        MODIFY SCREEN.
      ENDIF.
    ENDLOOP.
ENDIF.

Hiding a selection screen

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