Hide table control columns

module zhide_fields output.

data : ls_line like line of tctrl_ztps_rept_hdr-cols.
loop at tctrl_ztps_rept_hdr-cols into ls_line.
case sy-tabix.
when '8'.
ls_line-invisible = 1.
modify tctrl_ztps_rept_hdr-cols from ls_line.
when '9'.
ls_line-invisible = 1.
modify tctrl_ztps_rept_hdr-cols from ls_line.
when '10'.
ls_line-invisible = 1.
modify tctrl_ztps_rept_hdr-cols from ls_line.
endcase.
endloop.
endmodule.