How to hide a select option on slelection screen??

Question

Hi all,
    I wanna hide a screen field (select option) on  selection-screen. I looped the screen in AT SELECTION-SCREEN OUTPUT and found the name of screen to hide. But the <option_name>_low and <option_name>_high are always show here.
     Who can give me a way to do that???
In fact, i wanna hide or display the select option after choosing a radiobutton.Who can give me a way??

Answer 1

Hi,
Check the below code.
tables: pa0000, pa0001.
parameters: p_rad1 radiobutton group rad1 default 'X' user-command rusr,
p_rad2 radiobutton group rad1,
p_rad3 radiobutton group rad1,
p_rad4 radiobutton group rad1,
p_rad5 radiobutton group rad1.
selection-screen: begin of block blk1 with frame.
select-options: s_pernr for pa0000-pernr modif id ABC,
s_stat2 for pa0000-stat2 modif id DEF,
s_werks for pa0001-werks modif id GHI,
s_persg for pa0001-persg modif id JKL,
s_persk for pa0001-persk modif id MNO.
selection-screen: end of block blk1.
AT SELECTION-SCREEN output.
LOOP AT SCREEN.
IF SCREEN-GROUP1 = 'ABC'.
IF p_rad1 = 'X'.
SCREEN-ACTIVE = 1.
ELSE.
SCREEN-ACTIVE = 0.
ENDIF.
MODIFY SCREEN.
ENDIF.
IF SCREEN-GROUP1 = 'DEF'.
IF p_rad2 = 'X'.
SCREEN-ACTIVE = 1.
ELSE.
SCREEN-ACTIVE = 0.
ENDIF.
MODIFY SCREEN.
ENDIF.
IF SCREEN-GROUP1 = 'GHI'.
IF p_rad3 = 'X'.
SCREEN-ACTIVE = 1.
ELSE.
SCREEN-ACTIVE = 0.
ENDIF.
MODIFY SCREEN.
ENDIF.
IF SCREEN-GROUP1 = 'JKL'.
IF p_rad4 = 'X'.
SCREEN-ACTIVE = 1.
ELSE.
SCREEN-ACTIVE = 0.
ENDIF.
MODIFY SCREEN.
ENDIF.
IF SCREEN-GROUP1 = 'MNO'.
IF p_rad5 = 'X'.
SCREEN-ACTIVE = 1.
ELSE.
SCREEN-ACTIVE = 0.
ENDIF.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
*Note
*Titles for Rado buttons and parameters.
*P_RAD1 Personal Number
*P_RAD2 Employment Status
*P_RAD3 Personnel Area
*P_RAD4 Employee Group
*P_RAD5 Employee Sub group
*S_PERNR Personal Number
*S_PERSG Employee Group
*S_PERSK Employee Sub group
*S_STAT2 Employment Status
*S_WERKS Personnel Area