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Please see the code n give ur comments !

Hi,

I have selection screen with two list boxes.

I am populating the second based on the selection in the first one.

But, when I'm selecting a value from the second one, it is not reflected in the program, it means it value is blank.

Please go thro' the following code, n give ur suggestions.

IF list IS INITIAL.

  • Retrive Remarks from ZLOT007

SELECT remarks bukrs FROM zlot007 INTO TABLE it_ftp_tar.

name = 'FTP_TAR'.

count = 1.

  • Populating list box 1

LOOP AT it_ftp_tar.

value-text = it_ftp_tar-remarks.

value-key = count.

APPEND value TO list.

count = count + 1.

ENDLOOP.

  • Function to load data into list box

CALL FUNCTION 'VRM_SET_VALUES'

EXPORTING

id = name

values = list.

ENDIF.

  • If FTP setting field is not initial

IF ftp_tar IS NOT INITIAL AND list1 IS INITIAL.

READ TABLE it_ftp_tar INDEX ftp_tar.

CONDENSE it_ftp_tar-bukrs.

l_bukrs = it_ftp_tar-bukrs.

  • Fetching Plant belongs to the Company code

SELECT bukrs bwkey FROM t001k INTO TABLE it_werks

WHERE bukrs = l_bukrs.

name = 'P_WERKS'.

count = 1.

  • Populating list box 2 for Plant

LOOP AT it_werks.

value-text = it_werks-werks.

value-key = count.

APPEND value TO list1.

count = count + 1.

ENDLOOP.

  • function to load data into list box

CALL FUNCTION 'VRM_SET_VALUES'

EXPORTING

id = name

values = list1.

ENDIF.

  • CLEAR it_werks.

CONDENSE p_werks.

READ TABLE it_werks INDEX p_werks.

CONDENSE it_werks-werks.

l_werks = it_werks-werks.

Thanks,

Senthil

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2 Answers

  • Posted on Nov 18, 2005 at 04:01 AM

    Hi Senthikumar,

    Have a look at demo program DEMO_DYNPRO_DROPDOWN_LISTBOX.

    Thanks

    Lakshman

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  • Posted on Nov 18, 2005 at 04:49 AM

    Hi,

    I think you have to use,at selection-screen on value-request for the second field.

    Here is the sample code for F4 help.In this,second F4 help is decided based on value of the first parameter.

    Have a look at it.Kindly reward points if it helps.

    REPORT  ZGK_TEST
            message-id zsd
            line-count 16(1)
            no standard page heading .
    *----------------------------------------------------------------------*
    *                        Tables Declaration
    *----------------------------------------------------------------------*
    
    tables : vbap.         " Sales Document: Item Data
    *----------------------------------------------------------------------*
    *                      Constant Declaration                           		 *
    *----------------------------------------------------------------------*
    
    CONSTANTS:
      C_X TYPE C VALUE 'X'.     " Translate to Uppercase
    *----------------------------------------------------------------------*
    *                      Variable Declaration                            		*
    *----------------------------------------------------------------------*
    
    * Variable for Table index
      data v_sytabix like sy-tabix.
    
    * Variable for Program name
      data L_NAME LIKE SYST-REPID.
    *----------------------------------------------------------------------*
    *                         Ranges Declaration                           		*
    *----------------------------------------------------------------------*
    
    * Range for getting values form selection screen
     DATA: BEGIN OF range1 OCCURS 0,
             SIGN(1),
             OPTION(2),
             LOW  LIKE vbap-vbeln,
             high like vbap-vbeln,
          END OF range1.
    *----------------------------------------------------------------------*
    *                         Structure Declaration                        		*
    *----------------------------------------------------------------------*
    
    *----------------------------------------------------------------------*
    *                    Internal table Declaration                        		*
    *----------------------------------------------------------------------*
    
    * Internal table for Report output
      data: begin of i_vbap occurs 0,
              vbeln like vbap-vbeln,            " Sales Document
              posnr like vbap-posnr,            " Sales Document item
            end of i_vbap.
    
    * Internal table for output to the F4 help
      data: begin of I_DISPLAY occurs 0,
              vbeln like vbap-vbeln,            " Sales Document
              posnr like vbap-posnr,            " Sales Document item
            end of I_DISPLAY.
    
    * Internal table for return value form function module
      DATA: BEGIN OF I_RETURNVAL OCCURS 0.
              INCLUDE STRUCTURE DDSHRETVAL.     " Interface Structure Search
      DATA: END OF I_RETURNVAL.
    
    * Internal table for F4 help field heading
      DATA: I_FIELDTAB LIKE DFIES OCCURS 0 WITH HEADER LINE.
    
    * Internal table for getting screen values from selection screen
      data L_SCR_FIELDS LIKE DYNPREAD OCCURS 1 WITH HEADER LINE.
    *----------------------------------------------------------------------*
    *                      Field-Symbols                                   *
    *----------------------------------------------------------------------*
    
    *----------------------------------------------------------------------*
    *                      Selection-screen                                *
    *----------------------------------------------------------------------*
    
    SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME title text-001.
      select-options:
            S_VBELN for vbap-vbeln no intervals,
            S_POSNR for vbap-posnr no intervals.
    SELECTION-SCREEN end OF BLOCK B1.
    *----------------------------------------------------------------------*
    *                      AT SELECTION-SCREEN ON VALUE-REQUEST            *
    *----------------------------------------------------------------------*
    
    at selection-screen on value-request for s_posnr-low.
    
      clear: L_SCR_FIELDS, I_FIELDTAB, i_display, I_RETURNVAL.
      refresh: L_SCR_FIELDS, I_FIELDTAB, i_display, I_RETURNVAL.
    
      L_NAME = SYST-REPID.
    
      MOVE 'S_VBELN-LOW' TO L_SCR_FIELDS-FIELDNAME.
      APPEND L_SCR_FIELDS.
    
    * Call the Function module DYNP_VALUES_READ to get the values form
    * selection screen
      CALL FUNCTION 'DYNP_VALUES_READ'
        EXPORTING
          DYNAME                         = L_NAME
          DYNUMB                         = SYST-DYNNR
          TRANSLATE_TO_UPPER             = C_X         " X
        TABLES
          DYNPFIELDS                     = L_SCR_FIELDS
       EXCEPTIONS
         INVALID_ABAPWORKAREA           = 1
         INVALID_DYNPROFIELD            = 2
         INVALID_DYNPRONAME             = 3
         INVALID_DYNPRONUMMER           = 4
         INVALID_REQUEST                = 5
         NO_FIELDDESCRIPTION            = 6
         INVALID_PARAMETER              = 7
         UNDEFIND_ERROR                 = 8
         DOUBLE_CONVERSION              = 9
         STEPL_NOT_FOUND                = 10
         OTHERS                         = 11
              .
      IF SY-SUBRC eq 0.
        LOOP AT L_SCR_FIELDS.
          range1-sign = 'I'.
          range1-option = 'EQ'.
          range1-low = L_SCR_FIELDS-FIELDVALUE.
          range1-high = space.
          append range1.
        ENDLOOP.
      ENDIF.
    
    
    * F4 help Field headings
    
      I_FIELDTAB-TABNAME = 'I_DISPLAY'.
    
      I_FIELDTAB-FIELDNAME = 'VBELN'.
      I_FIELDTAB-POSITION = '1'.
      I_FIELDTAB-OUTPUTLEN = '10'.
      I_FIELDTAB-INTTYPE = 'C'.
      I_FIELDTAB-INTLEN = '10'.
      APPEND I_FIELDTAB.
    
      I_FIELDTAB-FIELDNAME = 'POSNR'.
      I_FIELDTAB-POSITION = '2'.
      I_FIELDTAB-OFFSET = '10'.
      I_FIELDTAB-OUTPUTLEN = '6'.
      I_FIELDTAB-INTTYPE = 'N'.
      I_FIELDTAB-INTLEN = '6'.
      APPEND I_FIELDTAB.
    
    * Retrieve sales document, Sales document item from table Sales
    * Document: Item Data(VBAP).
    * Primary keys used for selection: VBELN
      select vbeln posnr from vbap
                   into table i_display
                   where vbeln in range1.
    
    * Call the function module F4IF_INT_TABLE_VALUE_REQUEST for F4 values
    
      CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
        EXPORTING
          RETFIELD               = 'POSNR'
          WINDOW_TITLE           = 'Line Item'
          VALUE_ORG              = 'S'
          MULTIPLE_CHOICE        = C_X           " (for muliple selection)
        TABLES
          VALUE_TAB              = I_DISPLAY
          FIELD_TAB              = I_FIELDTAB
          RETURN_TAB             = I_RETURNVAL
        EXCEPTIONS
          PARAMETER_ERROR        = 1
          NO_VALUES_FOUND        = 2
          OTHERS                 = 3
              .
      IF SY-SUBRC <> 0.
    * MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
    *         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      ELSE.
    
    * Star for For single values
    *   READ TABLE I_RETURNVAL INDEX 1.
    *    S_POSNR-LOW = I_RETURNVAL-FIELDVAL.
    * End for the single values
    
    * Start For multiple selection
       loop at i_returnval.
         s_posnr-sign = 'I'.
         s_posnr-option = 'EQ'.
         s_posnr-low = I_RETURNVAL-FIELDVAL.
         append s_posnr.
       endloop.
       sort s_posnr.
       read table s_posnr index 1.
    * End for multiple selection
      ENDIF.
    *----------------------------------------------------------------------*
    *                      Start-of-selection                              		*
    *----------------------------------------------------------------------*
    
    start-of-selection.
    * Retrieve sales document, Sales document item from table Sales
    * Document: Item Data(VBAP).
    * Primary keys used for selection: VBELN
      select vbeln posnr from vbap
                        into table i_vbap
                        where vbeln in s_vbeln
                          and posnr in s_posnr.
    * if the above selection is successful continue the process else exit *
    * form the report
      if sy-subrc ne 0.
    *    message e002 with 'No data to display'.
      endif.
    
    *----------------------------------------------------------------------*
    
    *                        End-of-selection                              		*
    
    *----------------------------------------------------------------------*
    
    end-of-selection.
      if not i_vbap[] is initial.
        loop at i_vbap.
          write:/ i_vbap-vbeln, i_vbap-posnr.
        endloop.
      endif.

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