ABAP Program to Upload table using new function GUI_UPLOAD

Sample ABAP Program to learn how to Upload table using new function GUI_UPLOAD in ABAP programming

*& Report ZUPLOAD *
*& *
*&---------------------------------------------------------------------*
*& This program uses the new function GUI_UPLOAD *
*& Input must be TAB delimited with a blank column at the start *
*& to allow for MANDT. *
*& To use this program for any Database Table replace ZTEST with *
*& new table name. *
*&---------------------------------------------------------------------*
*& AUTHOR: Sheila Titchener - abap at iconet-ltd.co.uk *
*& Date: February 2004 *
*&---------------------------------------------------------------------*

REPORT zupload MESSAGE-ID bd.

DATA: w_tab TYPE ZTEST.
DATA: i_tab TYPE STANDARD TABLE OF ZTEST.

DATA: v_subrc(2),
v_recswritten(6).

PARAMETERS: p_file(80)
DEFAULT 'C:\Temp\ZTEST.TXT'.

DATA: filename TYPE string,
w_ans(1) TYPE c.

filename = p_file.


CALL FUNCTION 'POPUP_TO_CONFIRM'
EXPORTING
titlebar = 'Upload Confirmation'
* DIAGNOSE_OBJECT = ' '
text_question = p_file
text_button_1 = 'Yes'(001)
* ICON_BUTTON_1 = ' '
text_button_2 = 'No'(002)
* ICON_BUTTON_2 = ' '
default_button = '2'
* DISPLAY_CANCEL_BUTTON = 'X'
* USERDEFINED_F1_HELP = ' '
* START_COLUMN = 25
* START_ROW = 6
* POPUP_TYPE =
* IV_QUICKINFO_BUTTON_1 = ' '
* IV_QUICKINFO_BUTTON_2 = ' '
IMPORTING
answer = w_ans
* TABLES
* PARAMETER =
* EXCEPTIONS
* TEXT_NOT_FOUND = 1
* OTHERS = 2
.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.


CHECK w_ans = 1.


CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
filename = filename
* FILETYPE = 'ASC
has_field_separator = 'X'
* HEADER_LENGTH = 0
* READ_BY_LINE = 'X'
* IMPORTING
* FILELENGTH =
* HEADER =
TABLES
data_tab = i_tab
EXCEPTIONS
file_open_error = 1
file_read_error = 2
no_batch = 3
gui_refuse_filetransfer = 4
invalid_type = 5
no_authority = 6
unknown_error = 7
bad_data_format = 8
header_not_allowed = 9
separator_not_allowed = 10
header_too_long = 11
unknown_dp_error = 12
access_denied = 13
dp_out_of_memory = 14
disk_full = 15
dp_timeout = 16
OTHERS = 17.

* SYST FIELDS ARE NOT SET BY THIS FUNCTION SO DISPLAY THE ERROR CODE *

IF sy-subrc <> 0.
v_subrc = sy-subrc.
MESSAGE e899 WITH 'File Open Error' v_subrc.
ENDIF.


INSERT ZTEST FROM TABLE i_tab.

COMMIT WORK AND WAIT.

MESSAGE i899 WITH sy-dbcnt 'Records Written to ZTEST'.

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