protected void Application_BeginRequest(object sender, EventArgs e)

         {

             //将请求的ShowArticle页面进行url重写

             string url = HttpContext.Current.Request.AppRelativeCurrentExecutionFilePath;

             Match match = Regex.Match(url, @"~/Article/ShowArticle-(\d+).aspx");

             if (match.Success)

             {

                 long id = Convert.ToInt64(match.Groups[].Value);

                HttpContext.Current.RewritePath("~/Article/ShowArticle.aspx?id=" + id);

             }

         }    

             List<T_Articles> list = new T_ArticlesBLL().GetModelList("");

             foreach (T_Articles model in list.ToArray())

             {

                 WebClient wb = new WebClient();

                 wb.Encoding = Encoding.UTF8;

                 string url = string.Format("http://{0}/Article/ShowArticle-{1}.aspx",Request.Url.Authority,model.Id);

                 try

                 {

                     wb.DownloadFile(url,Server.MapPath(string.Format("~/Article/ShowArticle-{0}.html", model.Id)));

                 }

                 catch(WebException wbex){

                     CommonHelper.showMsg(Page, "下载id号为" + model.Id + "的页面时出错！" + wbex.Message);

                     log.Error("下载id号为" + model.Id + "的页面时出错！" + wbex.Message);

                 }

             }    

             MailMessage mailMsg = new MailMessage();//两个类，别混了 引入System.Web这个Assembly

             mailMsg.From = new MailAddress("jayjay@ibook.com", "test");//源邮件地址

             mailMsg.To.Add(new MailAddress("test2@qq.com", "jayjay"));//目的邮件地址。可以有多个收件人

             mailMsg.Subject = "你好";//发送邮件的标题

             mailMsg.Body = "你好";//发送邮件的内容

             SmtpClient client = new SmtpClient("10.170.9.80");

             client.Credentials = new NetworkCredential("jayjay", "");

             client.Send(mailMsg);