学步园

Response.ContentType = "application/vnd.ms-excel";
   Response.Charset="GB2312";   
   Response.AppendHeader("Content-Disposition","attachment;filename=UpdateDataLog.xls");
   Response.ContentEncoding=System.Text.Encoding.UTF7;  //设置输出流为简体中文
   this.EnableViewState = false;
   System.IO.StringWriter sw = new System.IO.StringWriter();
   System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(sw);
   int nCur = this.dgRepair.CurrentPageIndex;
   int nSize = this.dgRepair.PageSize;
   
   this.dgRepair.AllowPaging = false;
   this.RepairBind();
   this.dgRepair.RenderControl(hw);
   //以下恢复分页
   this.dgRepair.AllowPaging = true;
   this.dgRepair.CurrentPageIndex = nCur;
   this.dgRepair.PageSize = nSize;
  //重新绑定DataGrid
   this.RepairBind();
   Response.Write(sw.ToString());
   Response.End();

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如果将以上代码应用于VS2005的GRIDVIEW控件中，则会报错"控件必须放在具有 runat=server 的窗体标记内" 

解决办法如下：

 在页面中重写Page基类的VerifyRenderingInServerForm方法
     public override void VerifyRenderingInServerForm(Control control)
    {
        // Confirms that an HtmlForm control is rendered for
    }