I try to display horizontal lines in alv oo when I print it.
I try to use
CALL METHOD gr_alvgrid->set_horizontal_grid_lines EXPORTING visible = X EXCEPTIONS error = 1 OTHERS = 2. IF sy-subrc <> 0. * MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO * WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4. ENDIF.
but I have this error:bold Access to protected method "SET_HORIZONTAL_GRID_LINES" is not allowed. bold
Can I solve it?