Hello Atul,
Please check the below program
REPORT ZTEST_SCN no standard page heading.
parameters : p_tname type TABNAME.
data it_dyntab type ref to data.
field-symbols <fs_any> type any table.
start-of-selection.
create data it_dyntab type standard table of (p_tname).
assign it_dyntab->* to <fs_any>.
select * from (p_tname) into table <fs_any> up to 100 rows.
break-point.
IF SY-SUBRC = 0.
CALL METHOD CL_GUI_FRONTEND_SERVICES=>GUI_DOWNLOAD
EXPORTING
FILENAME = 'C:\test_scn.xls'
CHANGING
DATA_TAB = <fs_any>.
ENDIF.