gridcontrol增加序号列

 private void gridView1_CustomDrawRowIndicator_1(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)
        {
            if (e.Info.Kind == DevExpress.Utils.Drawing.IndicatorKind.Header)
            {
                e.Appearance.DrawBackground(e.Cache, e.Bounds);
                e.Appearance.DrawString(e.Cache, "序号", e.Bounds);
                e.Handled = true;

            }
            if (e.Info.IsRowIndicator && e.RowHandle >= 0)
            {
                e.Info.DisplayText = (e.RowHandle + 1).ToString();
            }
        }