Uploading data directly from Excel file format

*
* Upload data direct from excel.xls file to SAP
*
REPORT ZEXCELUPLOAD.

PARAMETERS: filename LIKE rlgrap-filename MEMORY ID M01,
begcol TYPE i DEFAULT 1 NO-DISPLAY,
begrow TYPE i DEFAULT 1 NO-DISPLAY,
endcol TYPE i DEFAULT 100 NO-DISPLAY,
endrow TYPE i DEFAULT 32000 NO-DISPLAY.
* Tick don't append header
PARAMETERS: kzheader AS CHECKBOX.

DATA: BEGIN OF intern OCCURS 0.
INCLUDE STRUCTURE alsmex_tabline.
DATA: END OF intern.

DATA: BEGIN OF intern1 OCCURS 0.
INCLUDE STRUCTURE alsmex_tabline.
DATA: END OF intern1.

DATA: BEGIN OF t_col OCCURS 0,
col LIKE alsmex_tabline-col,
size TYPE i.
DATA: END OF t_col.

DATA: zwlen TYPE i,
zwlines TYPE i.

DATA: BEGIN OF fieldnames OCCURS 3,
title(60),
table(6),
field(10),
kz(1),
END OF fieldnames.
* No of columns
DATA: BEGIN OF data_tab OCCURS 0,
value_0001(50),
value_0002(50),
value_0003(50),
value_0004(50),
value_0005(50),
value_0006(50),
value_0007(50),
value_0008(50),
value_0009(50),
value_0010(50),
value_0011(50),
value_0012(50),
value_0013(50),
value_0014(50),
value_0015(50),
value_0016(50),
value_0017(50),
value_0018(50),
value_0019(50),
value_0020(50),
value_0021(50),
value_0022(50),
value_0023(50),
value_0024(50),
value_0025(50),
value_0026(50),
value_0027(50),
value_0028(50),
value_0029(50),
value_0030(50),
value_0031(50),
value_0032(50),
value_0033(50),
value_0034(50),
value_0035(50),
value_0036(50),
value_0037(50),
value_0038(50),
value_0039(50),
value_0040(50),
value_0041(50),
value_0042(50),
value_0043(50),
value_0044(50),
value_0045(50),
value_0046(50),
value_0047(50),
value_0048(50),
value_0049(50),
value_0050(50),
value_0051(50),
value_0052(50),
value_0053(50),
value_0054(50),
value_0055(50),
value_0056(50),
value_0057(50),
value_0058(50),
value_0059(50),
value_0060(50),
value_0061(50),
value_0062(50),
value_0063(50),
value_0064(50),
value_0065(50),
value_0066(50),
value_0067(50),
value_0068(50),
value_0069(50),
value_0070(50),
value_0071(50),
value_0072(50),
value_0073(50),
value_0074(50),
value_0075(50),
value_0076(50),
value_0077(50),
value_0078(50),
value_0079(50),
value_0080(50),
value_0081(50),
value_0082(50),
value_0083(50),
value_0084(50),
value_0085(50),
value_0086(50),
value_0087(50),
value_0088(50),
value_0089(50),
value_0090(50),
value_0091(50),
value_0092(50),
value_0093(50),
value_0094(50),
value_0095(50),
value_0096(50),
value_0097(50),
value_0098(50),
value_0099(50),
value_0100(50).
DATA: END OF data_tab.
DATA: tind(4) TYPE n.
DATA: zwfeld(19).
FIELD-SYMBOLS: <fs1>.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR filename.
CALL FUNCTION 'KD_GET_FILENAME_ON_F4'
EXPORTING
mask = '*.xls'
static = 'X'
CHANGING
file_name = filename.

START-OF-SELECTION.

CALL FUNCTION 'ALSM_EXCEL_TO_INTERNAL_TABLE'
EXPORTING
filename = filename
i_begin_col = begcol
i_begin_row = begrow
i_end_col = endcol
i_end_row = endrow
TABLES
intern = intern
EXCEPTIONS
inconsistent_parameters = 1
upload_ole = 2
OTHERS = 3.

IF sy-subrc <> 0.
WRITE:/ 'Upload Error ', SY-SUBRC.
ENDIF.

END-OF-SELECTION.

LOOP AT intern.
intern1 = intern.
CLEAR intern1-row.
APPEND intern1.
ENDLOOP.

SORT intern1 BY col.
LOOP AT intern1.
AT NEW col.
t_col-col = intern1-col.
APPEND t_col.
ENDAT.
zwlen = strlen( intern1-value ).
READ TABLE t_col WITH KEY col = intern1-col.
IF sy-subrc EQ 0.
IF zwlen > t_col-size.
t_col-size = zwlen.
* Internal Table, Current Row Index
MODIFY t_col INDEX sy-tabix.
ENDIF.
ENDIF.
ENDLOOP.

DESCRIBE TABLE t_col LINES zwlines.

SORT intern BY row col.
IF kzheader = 'X'.
LOOP AT intern.
fieldnames-title = intern-value.
APPEND fieldnames.
AT END OF row.
EXIT.
ENDAT.
ENDLOOP.
ELSE.
DO zwlines TIMES.
WRITE sy-index TO fieldnames-title.
APPEND fieldnames.
ENDDO.
ENDIF.

SORT intern BY row col.
LOOP AT intern.
IF kzheader = 'X'
AND intern-row = 1.
CONTINUE.
ENDIF.
tind = intern-col.
CONCATENATE 'DATA_TAB-VALUE_' tind INTO zwfeld.
ASSIGN (zwfeld) TO <fs1>.
<fs1> = intern-value.
AT END OF row.
APPEND data_tab.
CLEAR data_tab.
ENDAT.
ENDLOOP.

CALL FUNCTION 'DISPLAY_BASIC_LIST'
EXPORTING
file_name = filename
TABLES
data_tab = data_tab
fieldname_tab = fieldnames.

*-- End of Program