dataset导出成excel

//ds为数据源，filename为保存的文件名publicvoidCreateExcel(DataSet ds,stringFileName){//设置信息HttpContext.Current.Response.Clear();HttpContext.Current.Response.ContentType="application/vnd.ms-excel";HttpContext.Current.Response.ContentEncoding=System.Text.Encoding.GetEncoding("GB2312");HttpContext.Current.Response.Charset="GB2312";//保存的文件名HttpContext.Current.Response.AddHeader("content-disposition","attachment;filename="+HttpUtility.UrlEncode(FileName));//保存excel的文件流StringWriter stringWrite =newStringWriter();HtmlTextWriter htmlWrite =newHtmlTextWriter(stringWrite);//数据的dsDataGrid dg =newDataGrid();dg.DataSource= ds;dg.DataBind();dg.RenderControl(htmlWrite);//输出数据HttpContext.Current.Response.Write("<meta http-equiv=/"content-type/" content=/"application/ms-excel; charset=gb2312/"/>"+ stringWrite.ToString());HttpContext.Current.Response.End();}