给Dev GridView 添加行号展示

给Dev GridView 添加行号显示
给GridView添加CustomDrawRowIndicator事件代码

 private void gridView1_CustomDrawRowIndicator(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)        {            if (e.Info.IsRowIndicator && e.RowHandle >= 0)            {                e.Info.DisplayText = Convert.ToString(e.RowHandle + 1);            }        }