使用控件的RenderControl（）方法导出Excel

// 使用控件的RenderControl（）方法生成HTML表格

 

        string  strName  =   " HuaMingCe " ;
        Response.Clear();
        Response.Buffer  =   true ;
        Response.Charset  =   " utf-8 " ;
        Response.AppendHeader( " Content-Disposition " ,  " attachment;filename= "   +  strName  +   " .xls " );
        Response.ContentEncoding  =  System.Text.Encoding.GetEncoding( " utf-8 " ); // 设置输出流为简体中文
        Response.ContentType  =   " application/ms-excel " ; // 设置输出文件类型为excel文件。 
         this .EnableViewState  =   false ;
        System.Globalization.CultureInfo myCItrad  =   new  System.Globalization.CultureInfo( " ZH-CN " ,  true );
        System.IO.StringWriter oStringWriter  =   new  System.IO.StringWriter(myCItrad);
        System.Web.UI.HtmlTextWriter oHtmlTextWriter  =   new  System.Web.UI.HtmlTextWriter(oStringWriter);
         if  (GridViewMaster  !=   null )  // GridViewMaster 是GridView控件
         {
            GridViewMaster.RenderControl(oHtmlTextWriter);//将服务器控件的内容输出
        }
        Response.Write(oStringWriter.ToString());
        Response.End();

// 同时vs2005会报错“类型“ExGridView”的控件“GridViewMaster”必须放在具有 runat=server 的窗体标记内

”

// 需要添加下面取消对GridViewMaster 控件验证的方法

public   override   void  VerifyRenderingInServerForm(Control control)
     {
        if (!control.GetType().Equals(GridViewMaster.GetType()))
        {
            base.VerifyRenderingInServerForm(control);
        }
    }