完全なasp.Net tableをExcelにエクスポート

  excel/Word 

 public class HtmlDataToDocOrExcel
    {
        private Page _InvokePage;
        /// 

        ///      
        /// 
        public Page InvokePage
        {
            get { return _InvokePage; }
            set { _InvokePage = value; }
        }

        /// 

        ///     
        /// 
        ///      ，   this.Page
        public HtmlDataToDocOrExcel(Page invoke_page)
        {
            _InvokePage = invoke_page;
        }

        /// 

        /// Table  excel
        /// 
        /// 
        /// 

        //public void TableDataToExcel(System.Web.UI.HtmlControls.HtmlTable tab, string fileName)
        //{

        //    if (fileName.ToLower().IndexOf(".xls") == -1)
        //    {
        //        fileName = fileName + ".xls";
        //    }

        //    TableExport(tab, fileName, "application/ms-excel");
        //    //TableExport(tab, fileName, "application/vnd.ms-excel.numberformat:+0;-0;0");//Excel    
        //}


        public void TableDataToExcel(System.Web.UI.HtmlControls.HtmlGenericControl tab, string fileName,bool isFireFox)
        {

            if (fileName.ToLower().IndexOf(".xls") == -1)
            {
                fileName = fileName + ".xls";
            }

            TableExport(tab, fileName, "application/ms-excel",isFireFox);
            //TableExport(tab, fileName, "application/vnd.ms-excel.numberformat:+0;-0;0");//Excel    
        }

        /// 

        /// Table  Word
        /// 
        /// 
        /// 
        /// 
        public void TableDataToWord(System.Web.UI.HtmlControls.HtmlGenericControl tab, string fileName, bool isFireFox)
        {

            if (fileName.ToLower().IndexOf(".doc") == -1)
            {
                fileName = fileName + ".doc";
            }

            TableExport(tab, fileName, "application/ms-word",isFireFox);
        }

        /// 

        ///     ，    
        /// 
        /// 
        /// 
        /// 
        /// 
        private void TableExport(System.Web.UI.HtmlControls.HtmlGenericControl tab, string fileName, string typeName,bool isFireFox)
        {
            System.Web.HttpResponse httpResponse = _InvokePage.Response;
            httpResponse.Clear();
            httpResponse.Buffer = true;

            httpResponse.Charset = "gb2312";// "GB2312";
            //Response.Charset = "UTF-8";
            httpResponse.Write("");

            if (isFireFox == true)
            {
                fileName = "\"" + fileName + "\"";
                httpResponse.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
            }
            else
            {
                httpResponse.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8).ToString());
            }
           
            httpResponse.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
            httpResponse.ContentType = typeName;
            _InvokePage.EnableViewState = false;
            StringWriter tw = new StringWriter();
            System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);
            tab.RenderControl(hw);
           // httpResponse.Write(styleText);
            httpResponse.Write(tw.ToString());
            httpResponse.End();
        }
    }

呼び出し方法:

protected void Button1_Click(object sender, EventArgs e)
        {
            string fileName = "  -20130231.xls";
            bool isFireFox = false;
            if (Request.ServerVariables["http_user_agent"].ToLower().IndexOf("firefox") != -1)
            {
                isFireFox = true;
            } 
              //styleText=@" ";
            HtmlDataToDocOrExcel hdtd = new HtmlDataToDocOrExcel(this.Page);
            //hdtd.TableDataToWord(tbData, fileName);//  world
            hdtd.TableDataToExcel(divData, fileName, isFireFox);//  Excel
        }