Dynamically changing UI element property based on Checkbox selection

Hi,
I have a checkbox in my UI. On the selection of the checkbox, a dropdown must get enabled and when the checkbox is not selected, the dropdown should be disabled. Can someone tell me how i can achieve this?

Hi ,
bind ur checkbox and dropdowns enabled properties to context attributes of type WDY_BOOLEAN
suppose ur checkbox is bound to ca_check attribute under node cn_check
and ur drop down is bind to ca_drop attribute under node cn_drop
for the OnToggle Event of CheckBox , assign an action say act
and in Onactionact method , write the following piece of code :
DATA lo_nd_cn_check TYPE REF TO if_wd_context_node.
    DATA lo_el_cn_check TYPE REF TO if_wd_context_element.
    DATA ls_cn_check TYPE wd_this->element_cn_check.
    DATA lv_ca_check LIKE ls_cn_check-ca_check.
*   navigate from <CONTEXT> to <CN_CHECK> via lead selection
    lo_nd_cn_check = wd_context->get_child_node( name = wd_this->wdctx_cn_check ).
*   get element via lead selection
    lo_el_cn_check = lo_nd_cn_check->get_element( ).
*   get single attribute
    lo_el_cn_check->get_attribute(
      EXPORTING
        name = `CA_CHECK`
      IMPORTING
        value = lv_ca_check ).
IF lv_ca_check = 'X'
DATA lo_nd_cn_drop TYPE REF TO if_wd_context_node.
    DATA lo_el_cn_drop TYPE REF TO if_wd_context_element.
    DATA ls_cn_drop TYPE wd_this->element_cn_drop.
    DATA lv_ca_drop LIKE ls_cn_drop-ca_drop.
*   navigate from <CONTEXT> to <CN_CHECK> via lead selection
    lo_nd_cn_drop = wd_context->get_child_node( name = wd_this->wdctx_cn_drop ).
*   get element via lead selection
    lo_el_cn_drop = lo_nd_cn_drop->get_element( ).
*   set single attribute
    lo_el_cn_drop->set_attribute(
      EXPORTING
        name = `CA_DROP`
        value = 'X' ).
ELSE.
lo_el_cn_drop->set_attribute(
      EXPORTING
        name = `CA_DROP`
        value = ' ').
here ur drop down is bind to ca_drop attribute under node cn_drop.
rgds,
amit
Edited by: amit saini on Sep 24, 2009 1:42 PM

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