ABAP OOALV DATA_CHANGED

*         设定当前光标
          ls_col_id-fieldname =  'XXX'.
          ls_row_id-index = <ls_mod_cell>-row_id.
          ls_row_no-row_id = <ls_mod_cell>-row_id.
          CALL METHOD gr_alvgrid->set_current_cell_via_id
            EXPORTING
              is_row_id    = ls_row_id           " Row No
              is_column_id = ls_col_id           " Column No
              is_row_no    = ls_row_no.          " Row No.