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METHOD SET_COLUMN_HEADINGS .
  "Create an instance of ALV component Usage
  DATA LO_CMP_USAGE TYPE REF TO IF_WD_COMPONENT_USAGE.
  LO_CMP_USAGE =   WD_THIS->WD_CPUSE_ALV( ).
  IF LO_CMP_USAGE->HAS_ACTIVE_COMPONENT( ) IS INITIAL.
    LO_CMP_USAGE->CREATE_COMPONENT( ).
  ENDIF.
  "Create an instance of ALV Interface Controller
  DATA LO_INTERFACECONTROLLER TYPE REF TO IWCI_SALV_WD_TABLE .
  LO_INTERFACECONTROLLER =   WD_THIS->WD_CPIFC_ALV( ).
  "Configuration of the ALV Output
  DATA LV_VALUE TYPE REF TO CL_SALV_WD_CONFIG_TABLE.
  LV_VALUE = LO_INTERFACECONTROLLER->GET_MODEL(  ).

  DATA LR_COLUMN_SETTINGS TYPE REF TO IF_SALV_WD_COLUMN_SETTINGS.
  DATA LT_COLUMNS         TYPE SALV_WD_T_COLUMN_REF.
  DATA LS_COLUMNS         LIKE LINE OF LT_COLUMNS.
  DATA:LS_COLUMN_HEADER    TYPE REF TO CL_SALV_WD_COLUMN_HEADER .

  LR_COLUMN_SETTINGS ?= LV_VALUE.
  LT_COLUMNS          = LR_COLUMN_SETTINGS->GET_COLUMNS( ).
  LOOP AT LT_COLUMNS INTO LS_COLUMNS.
    LS_COLUMN_HEADER = LS_COLUMNS-R_COLUMN->GET_HEADER( )  .
    LS_COLUMN_HEADER->SET_DDIC_BINDING_FIELD( IF_SALV_WD_C_COLUMN_SETTINGS=>DDIC_BIND_NONE ).
    CASE LS_COLUMNS-ID.
      WHEN 'PERNR'.
        LS_COLUMN_HEADER->SET_TEXT( 'Pers. No.' ).
      WHEN 'ENAME'.
        LS_COLUMN_HEADER->SET_TEXT( 'Name' ).
      WHEN 'STELL'.
        LS_COLUMN_HEADER->SET_TEXT( 'Job ID' ).
      WHEN 'STELL_TXT'.
        LS_COLUMN_HEADER->SET_TEXT( 'Job Description' ).
      WHEN 'PLANS'.
        LS_COLUMN_HEADER->SET_TEXT( 'Position ID' ).
      WHEN 'PLANS_TXT'.
        LS_COLUMN_HEADER->SET_TEXT( 'Position Description' ).
    ENDCASE.
  ENDLOOP.
ENDMETHOD.