GridView显示行号

//显示行号 private void gridView1_CustomDrawRowIndicator(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e) {     e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Far;     if (e.Info.IsRowIndicator)     {        if (e.RowHandle >= 0)        {           e.Info.DisplayText = (e.RowHandle + 1).ToString();        }        else if (e.RowHandle < 0 && e.RowHandle > -1000)        {           e.Info.Appearance.BackColor = System.Drawing.Color.AntiqueWhite;           e.Info.DisplayText = "G" + e.RowHandle.ToString();        }     }}