生成静态页

运行测试，显示 无法显示网页

代码如下

    protected override void Render(HtmlTextWriter writer)
        {
            string filename = ""
               + DateTime.Now.Year
               + DateTime.Now.Month
               + DateTime.Now.Day
               + DateTime.Now.Hour
               + DateTime.Now.Minute
               + DateTime.Now.Second
               + DateTime.Now.Millisecond + ".htm";
            try
            {
                string newpath = Server.MapPath(".") + "\\" + filename;
                //string newpath = Server.MapPath("newfile") + "\\" + filename;
                FileStream fs = File.Create(newpath);
                fs.Close();
                //File.Create(Server.MapPath("newfile") + "\\" + filename);
                StreamWriter r = new StreamWriter(newpath, false, System.Text.Encoding.UTF8);
                HtmlTextWriter h = new HtmlTextWriter(r);
                base.Render(h);
                Response.Redirect(newpath);

                r.Close();
                h.Close();
            }
            catch (Exception error)
            {
                throw error;
            }
        }

谢谢。