public class PageCreateRenderPage : System.Web.UI.Page
    {
        public string strFileName = "Default.html";
        public PageCreateRenderPage() { }
        protected override void Render(HtmlTextWriter writer)
        {
            TextWriter sw = new StringWriter();
            base.Render(new HtmlTextWriter(sw));
            sw.Close();
            string html = sw.ToString();
            strFileName = Server.MapPath(".")+ "/" + strFileName;
            System.Text.Encoding code = System.Text.Encoding.UTF8;
            StreamWriter sw2 = null;
            try
            {
                sw = new StreamWriter(strFileName, false, code);
                sw.Write(html);
                sw.Flush();
            }
            catch (Exception ex)
            {
                Response.Write(ex.Message);
                Response.End();
            }
            finally
            {
                sw2.Close();
            }
            Response.Redirect("Default.html");
        }
       
    }