Select one radio button at a time

Question

Hi all,
my webdynpro table contains 3 rows. each row contains one radio button. at a time i should select only one radio button and bydefault the first one should be select.
Thanks,
Sagarika

Answer 1

Hi,
when the view will load,  bydefault radio button of first row of webdynrpo table should check. in this part i am facing problem.
in my onaction-method i wrote the down code for 'deselect radio button if i will select other one'.my node is 'paticipants'.
  " Uncheck  other Radio button if selected
  DATA: lo_nd_participants  TYPE REF TO if_wd_context_node,
        lo_changed_elem     TYPE REF TO if_wd_context_element,
        lo_elem             TYPE REF TO if_wd_context_element,
        lt_elem_set         TYPE wdr_context_element_set,
        ls_chgd_participant TYPE LINE OF wd_this->elements_participants,
        ls_participant      TYPE LINE OF wd_this->elements_participants.
  FIELD-SYMBOLS:
        <fs_participant>   TYPE LINE OF wd_this->elements_participants.
  " Get the changed context row
  CALL METHOD wdevent->get_context_element
    EXPORTING
      name  = 'CONTEXT_ELEMENT'
    RECEIVING
      value = lo_changed_elem.
  " Get static attributes
  CALL METHOD lo_changed_elem->get_static_attributes
    IMPORTING
      static_attributes = ls_chgd_participant.
  " Navigate from <CONTEXT> to <PARTICIPANTS> via lead selection
  lo_nd_participants = wd_context->get_child_node( name = wd_this->wdctx_participants ).
  IF lo_nd_participants IS INITIAL.
    RETURN.
  ENDIF.
  " Get all the selected elements from the context
  lt_elem_set = lo_nd_participants->get_elements( ).
  " Process the elements
  LOOP AT lt_elem_set INTO lo_elem.
    CALL METHOD lo_elem->get_static_attributes
      IMPORTING
        static_attributes = ls_participant.
    IF ls_participant-prim_userid NE ls_chgd_participant-prim_userid.
      ls_participant-admin_ind = abap_false.
      lo_elem->set_static_attributes( ls_participant ).
        ENDIF.
  ENDLOOP.