Upload Excel to Internal Tables in ABAP

*&---------------------------------------------------------------------*
*& Report ZDEMO_FROMXL
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT ZDEMO_FROMXL.

TYPE-POOLS truxs.

* Selection screen
PARAMETER p_file TYPE rlgrap-filename. "DEFAULT 'd:\temp\mytable.xls'.

TYPES:
BEGIN OF t_tab,
col1(20) TYPE c,
col2(20) TYPE c,
END OF t_tab.

DATA :
t_upload TYPE STANDARD TABLE OF t_tab,
wa_upload TYPE t_tab,
it_type TYPE truxs_t_text_data.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.

CALL FUNCTION 'F4_FILENAME'
EXPORTING
* PROGRAM_NAME = SYST-CPROG
* DYNPRO_NUMBER = SYST-DYNNR
field_name = 'P_FILE'
IMPORTING
file_name = p_file.

START-OF-SELECTION.
* Uploading the data in the file into internal table
CALL FUNCTION 'TEXT_CONVERT_XLS_TO_SAP'
EXPORTING
* I_FIELD_SEPERATOR =
* I_LINE_HEADER = 'X'
i_tab_raw_data = it_type
i_filename = p_file
TABLES
i_tab_converted_data = t_upload[]
EXCEPTIONS
conversion_failed = 1
OTHERS = 2.

IF sy-subrc NE 0.
MESSAGE ID sy-msgid
TYPE sy-msgty
NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
END-OF-SELECTION.

* Uploading the data into the database table
LOOP AT T_UPLOAD INTO WA_UPLOAD.
WRITE:/ wa_upload-col1,
wa_upload-col2.
ENDLOOP.