Unable to retreive values from selection screen built using WDR_SELEC_OPTIO

Question

Hi All,
I have created a selection screen as below
lr_field = wd_this->m_handler->create_range_table( 'YFMTFLOW' ).
*  ASSIGN lr_field->* TO <fs_range>.
*  ls_date-sign   = 'I'.
*  ls_date-option = 'EQ'.
*  ls_date-low    = 'US'.
*  APPEND ls_date TO <fs_range>.
* Add the select-option to the group
  wd_this->m_handler->add_selection_field(
    i_id           = 'FLOW'
    i_within_block = 'PROC'
    i_no_intervals = abap_true
    it_result      = lr_field ).
If i enter some value  and click a button to retireve the values as below
DATA
    lt_sel_item TYPE if_wd_select_options=>tt_selection_screen_item.
types: ty_flow type range of yfmtflow.
  FIELD-SYMBOLS:
    <fs_sel_item> LIKE LINE OF lt_sel_item,
    <fs_process>   TYPE yfmtprocess,
    <fs_flow>   TYPE ty_flow.
* Get the selection-screen items
  l_handler->get_selection_screen_items(
    IMPORTING et_selection_screen_items = lt_sel_item ).
* Retrieve the values from the select-options items
  LOOP AT lt_sel_item ASSIGNING <fs_sel_item>.
    CASE <fs_sel_item>-m_id.
      WHEN `PROCESS`.
        ASSIGN <fs_sel_item>-m_value->* TO <fs_process>.
      WHEN 'FLOW'.
        ASSIGN <fs_sel_item>-mt_range_table->* TO <fs_flow>.
    ENDCASE.
  ENDLOOP.
<fs_flow> is empty
but after I enter value and then press enter and then click the button to retrieve the values I am able to get low value <fs_flow> not the sign and option
Is it the standard functionality ,if yes how can we overcome
Thanks
Bala Duvvuri

Answer 1

Am giving clear coding of select options.
nOTE: S_CARR_ID IS THE DATA ELEMENT OF CARR ID  FIELD,
FOR THAT I AM APPLYING SELECT OPTIONS IN BELOW CODING.
WRITE THE BELOW CODE IN WDDOINT( ) METHOD OF
REQUIRED VIEW
Data: lt_range_table type ref to data,
     read_only type abap_bool.
WD_THIS->M_WD_SELECT_OPTIONS = WD_THIS-
>WD_CPIFC_SELECT_OPTIONS( ).
WD_THIS->M_HANDLER = WD_THIS->M_WD_SELECT_OPTIONS-
>INIT_SELECT_SCREEN( ).
WD_THIS->M_HANDLER->SET_GLOBAL_OPTIONS(
     I_DISPLAY_BTN_CANCEL = ABAP_FALSE
     I_DISPLAY_BTN_CHECK = ABAP_FALSE
     I_DISPLAY_BTN_RESET = ABAP_FALSE
     I_DISPLAY_BTN_EXECUTE = ABAP_FALSE ).
LT_RANGE_TABLE = WD_THIS->M_HANDLER-
>CREATE_RANGE_TABLE( I_TYPENAME = 'S_CARR_ID' ).
WD_THIS->M_HANDLER->ADD_SELECTION_FIELD(
          I_ID = 'S_CARR_ID'
          IT_RESULT = LT_RANGE_TABLE
          I_READ_ONLY = READ_ONLY ).
BELOW CODE IN REQUIRED ACTION( SAY IN SOME BUTTON
ACTION WHICH WILL RETRIEVE THE DATA FROM DATABASE TABLE
USING SELECTI OPTIONS VALUES)
fIRST THE GET REFERENCE TO NODE( CTRL F7--->READ
CONTEXTB---FLIGHT NODE )
***THEN BELOW CODE
DATA: RT_CARRID TYPE REF TO DATA.
DATA:IS_FLIGHT TYPE TABLE OF SFLIGHT.
FIELD_SYMBOLS: <FS_CARRID> TYPE TABLE.
RT_CARRID = WD_THIS-> M_HANDLER-
>GET_RANGE_TABLE_OF_SEL_FIELD( I_ID = 'S_CARR_ID' ).
ASSIGN RT_CARRID-> TO <FS_CARRID>.*
SELECT * INTO CORRRESPONDING FIELDS OF TABLE IS_FLIGHT
   FROM SFLIGHT WHERE CARRID IN <FS_CARRID>
NODE_FLIGHT->BIND_TABLE( IS_FLIGHT ).