private static void gv_CustomDrawEmptyForeground(object sender, DevExpress.XtraGrid.Views.Base.CustomDrawEventArgs e)

   {

      DevExpress.XtraGrid.Views.Grid.GridView gv = sender as DevExpress.XtraGrid.Views.Grid.GridView;

      DataView bindingSource = gv.DataSource as DataView;

      if (bindingSource != null & bindingSource.Count == )

      {

         Font f = new Font("宋体", , FontStyle.Bold);

         Rectangle r = new Rectangle(gv.GridControl.Width /  - , gv.GridControl.Height / , e.Bounds.Right - , e.Bounds.Height - );

         e.Graphics.DrawString("没有查询到数据!", f, Brushes.Red, r);

      }

   }