Add Title(heading) to ALV Grid

call function 'REUSE_ALV_GRID_DISPLAY'
       exporting
            i_callback_program      = gd_repid
            i_callback_top_of_page   = 'TOP-OF-PAGE'  "see FORM
            is_layout               = gd_layout
            it_fieldcat             = fieldcatalog[]
            i_save                  = 'X'
       tables
            t_outtab                = it_ekko
       exceptions
            program_error           = 1
            others                  = 2.

*-------------------------------------------------------------------** Form  TOP-OF-PAGE                                                 **-------------------------------------------------------------------** ALV Report Header                                                 **-------------------------------------------------------------------*Form top-of-page.*ALV Header declarationsdata: t_header type slis_t_listheader,      wa_header type slis_listheader,      t_line like wa_header-info,      ld_lines type i,      ld_linesc(10) type c.* Title  wa_header-typ  = 'H'.  wa_header-info = 'EKKO Table Report'.  append wa_header to t_header.  clear wa_header.* Date  wa_header-typ  = 'S'.  wa_header-key = 'Date: '.  CONCATENATE  sy-datum+6(2) '.'               sy-datum+4(2) '.'               sy-datum(4) INTO wa_header-info.   "todays date  append wa_header to t_header.  clear: wa_header.* Total No. of Records Selected  describe table it_ekko lines ld_lines.  ld_linesc = ld_lines.  concatenate 'Total No. of Records Selected: ' ld_linesc                    into t_line separated by space.  wa_header-typ  = 'A'.  wa_header-info = t_line.  append wa_header to t_header.  clear: wa_header, t_line.  call function 'REUSE_ALV_COMMENTARY_WRITE'       exporting            it_list_commentary = t_header.*            i_logo             = 'Z_LOGO'.endform.