将GridView的数据导出Excel

                HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=CALLINTOTALLIST_Excel.xls");
                HttpContext.Current.Response.Charset = "UTF-8";
                HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
                HttpContext.Current.Response.ContentType = "application/ms-excel";
                Gri_CallInRecord.Page.EnableViewState = false;
                System.IO.StringWriter tw = new System.IO.StringWriter();
                System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
                Gri_CallInRecord.RenderControl(hw);
                HttpContext.Current.Response.Write(tw.ToString());
                HttpContext.Current.Response.End();                

开发语言：c#
开发环境：Win7+VS2008

开发模式：webForm

作用：用于导出GridView的数据，导出文件为Excel