Step 2:
Give the program as "ZR_DYNAMIC_TABLE_UPDATE_EXCEL" and click on create button a pop up should be displayed, where we need to provide the title as "Dynamically Update The Excel Data To Database Table" and type as "Executable Program", Then click on Save button a pop up will be displayed.
Step 3: Need to provide the package name and click on the continue button.
Here we need to write the source code.
SOURCE CODE:
REPORT zr_dynamic_table_update_excel NO STANDARD PAGE HEADING.
*** --- Data Declarations
DATA:lt_excel TYPE TABLE OF alsmex_tabline,
lt_dref TYPE REF TO data,
ls_dref TYPE REF TO data,
lv_col TYPE i,
lo_alv TYPE REF TO cl_salv_table,
lt_table_filds TYPE TABLE OF dfies.
*** --- Field Symbols
FIELD-SYMBOLS : <fs_table> TYPE any .
FIELD-SYMBOLS : <ft_table> TYPE STANDARD TABLE.
FIELD-SYMBOLS : <dyn_field> .
*** --- Selection screen designing
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE TEXT-001.
PARAMETERS:p_file TYPE rlgrap-filename OBLIGATORY,
p_table TYPE dd02l-tabname OBLIGATORY,
p_test AS CHECKBOX DEFAULT abap_true.
SELECTION-SCREEN END OF BLOCK b1.
*** --- value request for p_file
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
CALL FUNCTION 'F4_FILENAME'
IMPORTING
file_name = p_file.
*** --- START-OF-SELECTION
START-OF-SELECTION.
*create OBJECT lr_descr.
*** --- Assigning fields symbols for Tables
CREATE DATA lt_dref TYPE TABLE OF (p_table).
CREATE DATA ls_dref TYPE (p_table).
*** --- Assign field symbol with table type of DDIC
ASSIGN lt_dref->* TO <ft_table>.
*** --- Assign field symbol with Structure type of DDIC
ASSIGN ls_dref->* TO <fs_table>.
*** --- Call the Function module ALSM_EXCEL_TO_INTERNAL_TABLE
CALL FUNCTION 'ALSM_EXCEL_TO_INTERNAL_TABLE'
EXPORTING
filename = p_file
i_begin_col = 1
i_begin_row = 1
i_end_col = 99
i_end_row = 999999
TABLES
intern = lt_excel
EXCEPTIONS
inconsistent_parameters = 1
upload_ole = 2
OTHERS = 3.
IF sy-subrc EQ 0.
*** --- Sort
SORT lt_excel BY row.
LOOP AT lt_excel INTO DATA(ls_excel).
*** --- Adding count to skip the mapping for MANDT field
lv_col = ls_excel-col + 1.
ASSIGN COMPONENT lv_col OF STRUCTURE <fs_table> TO <dyn_field>.
IF sy-subrc = 0.
***-- Compare Excel sheet column data and Dynamic table fields
IF ls_excel-row = 1.
CALL FUNCTION 'DDIF_FIELDINFO_GET'
EXPORTING
tabname = p_table
TABLES
dfies_tab = lt_table_filds
EXCEPTIONS
not_found = 1
internal_error = 2
OTHERS = 3.
READ TABLE lt_table_filds INTO DATA(ls_table_fields) INDEX lv_col.
IF sy-subrc = 0.
IF ls_table_fields-fieldname NE ls_excel-value.
WRITE: 'Excel sheet data and Dynamic table fields are not matching'.
EXIT.
ENDIF.
ENDIF.
ELSE.
<dyn_field> = ls_excel-value.
ENDIF.
ENDIF.
IF ls_excel-row GT 1.
AT END OF row.
APPEND <fs_table> TO <ft_table>.
CLEAR <fs_table>.
ENDAT.
ENDIF.
ENDLOOP.
IF <ft_table> IS NOT INITIAL.
IF p_test IS INITIAL.
*** --- Modify
MODIFY (p_table) FROM TABLE <ft_table>.
IF sy-subrc EQ 0.
COMMIT WORK.
DATA(lv_lines) = lines( <ft_table> ).
WRITE: TEXT-002,lv_lines.
ELSE.
ROLLBACK WORK.
MESSAGE TEXT-003 TYPE 'E' DISPLAY LIKE 'I'.
ENDIF.
ELSE.
*** --- Factory Method
cl_salv_table=>factory(
IMPORTING
r_salv_table = lo_alv " Basis Class Simple ALV Tables
CHANGING
t_table = <ft_table>
).
*** --- Display
lo_alv->display( ).
ENDIF.
ENDIF.
ENDIF.
Step 4:
Before uploading the data, check the table entries.
Step 5:
Provide the file name, table name and check the test checkbox click on execute button.
Negative Test Case:
Uploading the excel with end-user preferred columns order, irrespective of the corresponding table fields.
Output:
We are validating the particular table fields order with the end-user provided excel fields order and throwing the error if both the fields differ.
Positive Test Case
Output:
The excel data will be as like as below.
Step 6:
Provide the file name, and table name and Uncheck the Test checkbox, click on the execute button.
Output:
Step 7:
Go to the T-code (SE16N), provide the table name as "ZMARA_TABLE1", and click on execute button the updated data will be reflected the database table.
Conclusion:
By following the above steps, we have successfully updated the database table with the excel data.
Hope this will help.
Thanks for reading.
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