DevExpress GridView删除行

int[] rows = gridView1.GetSelectedRows();

if (rows.Length > 0)
{
if (DialogHelper.YesNo(this, "确认删除该记录?", "删除提示") != System.Windows.Forms.DialogResult.Yes) return;

DataRowView drv = (DataRowView)gridView1.GetRow(rows[0]);

//_layerUpdater.b.Rows.Remove(drv.Row);
drv.Row.Delete();
}