private void Button1_Click(object sender, System.EventArgs e)
  {
   string PageUrl = http://localhost/Application/flyso.aspx;
   //你要生成的ASPX文件
   System.Net.WebRequest request = System.Net.WebRequest.Create(PageUrl);
   System.Net.WebResponse response = request.GetResponse();
   System.IO.Stream resStream = response.GetResponseStream(); 
   System.IO.StreamReader sr = new System.IO.StreamReader(resStream, System.Text.Encoding.UTF8);
   ContentHtml.Text = sr.ReadToEnd();
   resStream.Close(); 
   sr.Close();
   string filename=System.DateTime.Now.ToString("yyyyMMddHHmmss"); 
   System.IO.StreamWriter sw=new   System.IO.StreamWriter("c:/"+filename+".htm",false,System.Text.Encoding.UTF8); //最后一个参数视实际需要  

   sw.WriteLine(ContentHtml.Text);   
   sw.Close();   
   Response.WriteFile("c:/"+filename+".htm"); 
  }

/// <summary>
        ///生成html文件
        /// </summary>
        /// <param name="News_ID">生成ID</param>
        /// <param name="Format">替换字符数组</param>
        /// <param name="Htm_Path">生成Htm的路径</param>
        /// <param name="Templet_Name">模板名称</param>
        /// <param name="page">页面</param>
        /// <returns></returns>
        public bool WriteHtmlFile(string News_ID,string [] Format,string Htm_Path,string Templet_Value,Page page)
        {
            string path = HttpContext.Current.Server.MapPath(Htm_Path+"/");
            if(!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
            }
            string htmlfilename=News_ID+".htm";
            string sql = "select Stencil from Stencil where Compositor='"+Templet_Value+"'";
            StringBuilder htmltext=new StringBuilder(this.ExecuteScalar_return_String(sql));
            for(int i=0;i<Format.Length;i++)
            {
                htmltext.Replace("$htmlformat["+i+"]",Format[i]);
            }
            try
            {
                using(StreamWriter sw=new StreamWriter(path + htmlfilename,false,System.Text.Encoding.GetEncoding("GB2312")))
                {
                    sw.WriteLine(htmltext);
                    sw.Flush();
                    sw.Close();
                    return true;
                }
            }
            catch
            {
                return false;

            }

        }