Winform UltraGrid控件取消自动绑定显示

 ultraGrid1.DisplayLayout.NewColumnLoadStyle = Infragistics.Win.UltraWinGrid.NewColumnLoadStyle.Hide;

 DataTable dt = new DataTable ();

            dt.Columns .Add ("UserName");

            DataRow dr =dt.NewRow ();

            dr[0]= "TEST USer";
            dt.Rows.Add (dr);

            ultraGrid1.DisplayLayout.Bands[0].Columns[0].Header.Caption = "用户名";

            ultraGrid1.DataSource = dt;