Issue in creating a dropdown for Industry sector field

Question

Hello Gurus,
Am trying to create a dropdown for Indusry field. 3 dropdown should come up for Industry sector field namely primary,secondary and tertiary.Corresponding to the value selected in primary,data should come up in Secondary and corresponding to value selected in secondary ,data should up in tertiary.Am only able to fetch the value at first instance but corresponding values are not coming up secondary and tertiary.I have followed the procedure that had to be followed in order to make a field as dropdown.Can anyone Please help.
In get_v , i have added this code.
DATA:  lt_ddlb  TYPE          bsp_wd_dropdown_table,
           wa_ddlb  LIKE LINE OF  lt_ddlb.
DATA:
          lr_entity1         TYPE REF TO if_bol_bo_property_access,
          lv_index           TYPE sytabix,
          lr_collection      TYPE REF TO cl_bsp_wd_collection_wrapper,
          lv_high_ind_sector TYPE string,
          lv_istype          TYPE string.
    CLEAR: wa_ddlb, lt_ddlb
    lr_collection = me->GET_COLLECTION_WRAPPER( ).
   lv_index =   lr_collection->get_current_index( ).
  IF lv_index = 1.
lr_entity1 ?=  lr_collection->find( iv_index = lv_index ).
        lv_high_ind_sector = lr_entity1->get_property_as_string( iv_attr_name = 'INDUSTRYSECTOR' ).
      lv_istype = lr_entity1->get_property_as_string( iv_attr_name = 'INDUSTRYSECTORKEYSYSTEM ' ).
      CLEAR: lv_high_ind_sector.
ELSE.
      lv_index = lv_index - 1.
      lr_entity1 ?=  lr_collection->find( iv_index = lv_index ).
      lv_high_ind_sector = lr_entity1->get_property_as_string( iv_attr_name = 'INDUSTRYSECTOR' ).
      lv_istype = lr_entity1->get_property_as_string( iv_attr_name = 'INDUSTRYSECTORKEYSYSTEM ' ).
    ENDIF.
    SELECT aspras aind_sector atext INTO CORRESPONDING FIELDS OF TABLE GT_IND_SECTOR FROM tb038b AS a INNER JOIN tb038a AS b ON  bistype = a~istype
AND bind_sector = aind_sector
AND b~istype = lv_istype*
AND b~father_sec = lv_high_ind_sector.
  Loop at GT_IND_SECTOR into wa_ind_sector.
      wa_ddlb-key   =  wa_ind_sector-ind_sector.
      wa_ddlb-value =  wa_ind_sector-text.
      Append wa_ddlb to lt_ddlb.
    endloop.
    IF lt_ddlb IS NOT INITIAL.
      INSERT INITIAL LINE INTO lt_ddlb INDEX 1.
    ENDIF.
    IF GR_DDLB_INDUSTRY_SEC IS NOT BOUND.
      CREATE OBJECT GR_DDLB_INDUSTRY_SEC
        EXPORTING
          iv_source_type = 'T'.
IF sy-subrc = 0.
        GR_DDLB_INDUSTRY_SEC->set_selection_table( it_selection_table = lt_ddlb ).
ENDIF.
ENDIF.
rv_valuehelp_descriptor =  GR_DDLB_INDUSTRY_SEC.

Answer 1

Hello,
Not sure I understood your requirement 100%, but kindly check the following thread where a question on How-to make dropdown list values dependent has already been answered:
How to link the first Drop down values witht the second Drop down Values
Regards,
Nicolas Busson.
PS: also it would be good to know your CRM version... because I thought this thread was posted in the WebClient forum, but it's not.