[Devexpress/C#] XtraGrid 현재 선택된 Grid 쉘 컨트롤

DevExpress.XtraGrid.Views.Grid.GridView gv = sender as DevExpress.XtraGrid.Views.Grid.GridView;
if (gv.FocusedColumn.FieldName == "DIV_EXP_NO" && gv.ActiveEditor is GridLookUpEdit)
                        {
                            GridLookUpEdit lue = gv.ActiveEditor as GridLookUpEdit;
                            DataTable dt = lue.Properties.DataSource as DataTable;
                            DataView dv = new DataView(dt);
                            string strItem = gv.GetRowCellValue(gv.FocusedRowHandle, gv.Columns["ITEM_NAME"]).ToString();
                            dv.RowFilter = string.Format("ITEM_NAME='{0}'", strItem);
                            lue.Properties.DataSource = dv;
                        }