Problem in the downloading the excel sheet.

Question

hi i am using the following code,i am getting the data into internal table,but it is not comming in to excel sheel can any body tell why the data is not comming,
it_head is the table for headers.
report ztest1.
TABLES: EKKO.
*PARAMETERS : P_EBELN TYPE EBELN.
SELECT-OPTIONS: S_EBELN FOR EKKO-EBELN OBLIGATORY.
TYPES: BEGIN OF T_PO,
         EBELN TYPE EBELN,
       END OF T_PO.
DATA: IT_PO TYPE STANDARD TABLE OF T_PO,
      WA_PO TYPE T_PO.
DATA : IT_ITEMS TYPE TABLE OF BAPIEKPO WITH HEADER LINE.
DATA: PO_ITEMS_SHEDULE TYPE TABLE OF BAPIEKET WITH HEADER LINE.
DATA: PO_ITEM_TEXT TYPE TABLE OF BAPIEKPOTX WITH HEADER LINE.
DATA: PO_ITEM_ACCOUNT_ASSIGNMENT TYPE TABLE OF BAPIEKKN
WITH HEADER LINE.
DATA: PO_HEADER_TEXTS TYPE TABLE OF BAPIEKKOTX WITH HEADER LINE.
DATA: PO_HEADER TYPE BAPIEKKOL.
DATA: RETURN1 TYPE TABLE OF BAPIRETURN WITH HEADER LINE.
SELECT EBELN INTO TABLE IT_PO FROM EKKO WHERE EBELN IN S_EBELN.
PERFORM DOWNLOAD_DATA: TABLES IT_ITEMS USING SPACE 'BAPIEKPO'.
LOOP AT IT_PO INTO WA_PO.
  CLEAR: PO_HEADER_TEXTS[], IT_ITEMS[], PO_ITEM_ACCOUNT_ASSIGNMENT[],
         PO_ITEMS_SHEDULE[], PO_ITEM_TEXT[], RETURN1[].
  CALL FUNCTION 'BAPI_PO_GETDETAIL'
    EXPORTING
      PURCHASEORDER              = WA_PO-EBELN
      ITEMS                      = 'X'
      ACCOUNT_ASSIGNMENT         = 'X'
      SCHEDULES                  = ' '
      HISTORY                    = 'X'
      ITEM_TEXTS                 = 'X'
      HEADER_TEXTS               = 'X'
    TABLES
      PO_HEADER_TEXTS            = PO_HEADER_TEXTS
      PO_ITEMS                   = IT_ITEMS
      PO_ITEM_ACCOUNT_ASSIGNMENT = PO_ITEM_ACCOUNT_ASSIGNMENT
      PO_ITEM_SCHEDULES          = PO_ITEMS_SHEDULE
      PO_ITEM_TEXTS              = PO_ITEM_TEXT
      RETURN                     = RETURN1.
  PERFORM DOWNLOAD_DATA: TABLES PO_HEADER_TEXTS USING 'X' 'BAPIEKKOTX',
                         TABLES IT_ITEMS USING 'X' 'BAPIEKPO',
                         TABLES PO_ITEM_ACCOUNT_ASSIGNMENT USING 'X'
  'BAPIEKKN',
                         TABLES PO_ITEMS_SHEDULE USING 'X' 'BAPIEKET',
                         TABLES PO_ITEM_TEXT USING 'X' 'BAPIEKPOTX'.
ENDLOOP.
*&      Form  DOWNLOAD_DATA
FORM DOWNLOAD_DATA  TABLES   IT_TAB
                    USING    P_APP
                             STRUC_NAME.
  DATA: IT_DD03P TYPE TABLE OF DD03P WITH HEADER LINE,
        IT_DD03P1 TYPE TABLE OF DD03P WITH HEADER LINE.
  TYPES: BEGIN OF T_HEAD,
           TEXT TYPE AS4TEXT,
         END OF T_HEAD.
  DATA: IT_HEAD TYPE TABLE OF T_HEAD.
  IF NOT IT_TAB[] IS INITIAL.
    CALL FUNCTION 'DD_GET_DD03P_ALL'
      EXPORTING
        TABNAME       = STRUC_NAME
      TABLES
        A_DD03P_TAB   = IT_DD03P
        N_DD03P_TAB   = IT_DD03P1
      EXCEPTIONS
        ILLEGAL_VALUE = 1
        OTHERS        = 2.
    IF SY-SUBRC EQ 0.
      LOOP AT IT_DD03P.
        APPEND IT_DD03P-DDTEXT TO IT_HEAD.
      ENDLOOP.
    ENDIF.
  ENDIF.
break-point.
  CALL FUNCTION 'GUI_DOWNLOAD'
    EXPORTING
      FILENAME                = 'C:\poextract.xls'
      APPEND                  = P_APP
      WRITE_FIELD_SEPARATOR   = 'X'
    TABLES
      DATA_TAB                = IT_TAB
      FIELDNAMES              = IT_HEAD
    EXCEPTIONS
      FILE_WRITE_ERROR        = 1
      NO_BATCH                = 2
      GUI_REFUSE_FILETRANSFER = 3
      INVALID_TYPE            = 4
      NO_AUTHORITY            = 5
      UNKNOWN_ERROR           = 6
      HEADER_NOT_ALLOWED      = 7
      SEPARATOR_NOT_ALLOWED   = 8
      FILESIZE_NOT_ALLOWED    = 9
      HEADER_TOO_LONG         = 10
      DP_ERROR_CREATE         = 11
      DP_ERROR_SEND           = 12
      DP_ERROR_WRITE          = 13
      UNKNOWN_DP_ERROR        = 14
      ACCESS_DENIED           = 15
      DP_OUT_OF_MEMORY        = 16
      DISK_FULL               = 17
      DP_TIMEOUT              = 18
      FILE_NOT_FOUND          = 19
      DATAPROVIDER_EXCEPTION  = 20
      CONTROL_FLUSH_ERROR     = 21
      OTHERS                  = 22.
  IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.
ENDFORM.                    " DOWNLOAD_DATA

Answer 1

HI HILEMEN,
in 4.7 we have option to download the data ,like this
CALL FUNCTION 'GUI_DOWNLOAD'
  EXPORTING
  BIN_FILESIZE                    =
    filename                        =
  FILETYPE                        = 'ASC'
  APPEND                          = ' '
  WRITE_FIELD_SEPARATOR           = ' '
  HEADER                          = '00'
  TRUNC_TRAILING_BLANKS           = ' '
  WRITE_LF                        = 'X'
  COL_SELECT                      = ' '
  COL_SELECT_MASK                 = ' '
  DAT_MODE                        = ' '
  CONFIRM_OVERWRITE               = ' '
  NO_AUTH_CHECK                   = ' '
  CODEPAGE                        = ' '
  IGNORE_CERR                     = ABAP_TRUE
  REPLACEMENT                     = '#'
  WRITE_BOM                       = ' '
  TRUNC_TRAILING_BLANKS_EOL       = 'X'
  WK1_N_FORMAT                    = ' '
  WK1_N_SIZE                      = ' '
  WK1_T_FORMAT                    = ' '
  WK1_T_SIZE                      = ' '
IMPORTING
  FILELENGTH                      =
  tables
    data_tab                        =
  FIELDNAMES                      =
any how i need the filed names in the header ,in excel sheet i need column heading but it is not comming can any body tell.