dhtmlxGrid 添加行号详细步骤

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