Download mit OPEN DATASET -> XLSX Datei korrupt

Code: Alles auswählen.

      lt_rawdata   = cl_bcs_convert=>xstring_to_solix( iv_xstring  = s_xdata ).
      DATA(li_bytecount) = xstrlen( s_xdata ).
      cl_gui_frontend_services=>gui_download(
      EXPORTING bin_filesize      = li_bytecount
                filename          = s_path
                filetype          = 'BIN'
                confirm_overwrite = abap_true
      CHANGING
                data_tab          = lt_rawdata

Code: Alles auswählen.

    CASE mv_open_mode. (in meinem Fall mc_binary, habe aber alle ausprobiert)
      WHEN mc_non_unicode.
        OPEN DATASET pv_filename FOR OUTPUT IN TEXT MODE
                  ENCODING NON-UNICODE IGNORING CONVERSION ERRORS.
      WHEN mc_unicode.
        OPEN DATASET pv_filename FOR OUTPUT IN TEXT MODE
                  ENCODING UTF-8       IGNORING CONVERSION ERRORS.
      WHEN mc_binary.
        OPEN DATASET pv_filename FOR OUTPUT IN BINARY MODE.
    ENDCASE.

Code: Alles auswählen.

METHOD ifs_dataset_transfer.

  TRY.
      IF pv_length IS INITIAL.
        TRANSFER pv_line TO pv_filename. ---> wird ausgeführt
      ELSE.
        TRANSFER pv_line TO pv_filename LENGTH pv_length.
      ENDIF.
    CATCH cx_sy_file_io.
*    Error while writing into file
      RAISE e_transfer_error.
    CATCH cx_sy_codepage_converter_init.
*    Conversion of codepage not supported
      RAISE e_transfer_error.
    CATCH cx_sy_conversion_codepage.
*    Internal conversion error
      RAISE e_transfer_error.
    CATCH cx_sy_file_authority.
*    No authority to open file
      RAISE e_transfer_error.
    CATCH cx_sy_file_open_mode.
*    File is not open
      RAISE e_transfer_error.
  ENDTRY.

ENDMETHOD.

Code: Alles auswählen.

    cl_output->t_rawdata = cl_bcs_convert=>xstring_to_solix( iv_xstring  = cl_output->xdata ).
    cl_output->bytecount = xstrlen( cl_output->xdata ).

METHOD download_backend.
    DATA: bytes_remain TYPE i.
    FIELD-SYMBOLS: <rawdata> LIKE LINE OF t_rawdata.

    OPEN DATASET p_backfn FOR OUTPUT IN BINARY MODE.
    CHECK sy-subrc = 0.

    bytes_remain = bytecount.

    LOOP AT t_rawdata ASSIGNING <rawdata>.

      AT LAST.
        CHECK bytes_remain >= 0.
        TRANSFER <rawdata> TO p_backfn LENGTH bytes_remain.
        EXIT.
      ENDAT.

      TRANSFER <rawdata> TO p_backfn.
      SUBTRACT 255 FROM bytes_remain.  " Solix has length 255

    ENDLOOP.

    CLOSE DATASET p_backfn.