step 1: define data excelwa type slis_extab.
data excl type slis_t_extab.
step2:find the fcose of the button by se41,program saplkkbl , set status=standard.
step3:using that tcode append the button on excel.
eg. excelwa-fcode = '&oup'.
append exclwa to excl.
step4: now in resuse_alv_grid_display. export it_excluding pass the excl.
if answer is helpfull for u pls reward points.
thanks