DataGrid数据在Execel中打开

 

public   void  ToExcel(System.Web.UI.Control ctl)  
         {            
            HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename=DayReport.xls");
            HttpContext.Current.Response.Charset ="UTF-8";                
            HttpContext.Current.Response.ContentEncoding =System.Text.Encoding.Default;
            HttpContext.Current.Response.ContentType ="application/ms-excel";
            ctl.Page.EnableViewState =false;            
            System.IO.StringWriter  tw = new System.IO.StringWriter() ;
            System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter (tw);
            ctl.RenderControl(hw);
            HttpContext.Current.Response.Write(tw.ToString());
            HttpContext.Current.Response.End();
        }

调用

ToExecel(DataGridName);

HttpContext.Current.Response.ContentType  = " application/ms-excel " ;
HttpContext.Current.Response.AppendHeader( " Content-Disposition " , " attachment;filename= " + "" + FileName + " .xls " );
System.IO.StringWriter  tw  =   new  System.IO.StringWriter();
System.Web.UI.HtmlTextWriter hw  =   new  System.Web.UI.HtmlTextWriter(tw);
this .DataGrid1.RenderControl(hw);
HttpContext.Current.Response.Write(tw.ToString());
HttpContext.Current.Response.End();