using (XmlTextWriter Writer = new XmlTextWriter(HttpContext.Current.Server.MapPath("~/Rss/HotProductList.xml"), System.Text.Encoding.UTF8))

        {

            Writer.Formatting = Formatting.Indented;

            Writer.WriteStartDocument();

            Writer.WriteStartElement("rss");

            Writer.WriteAttributeString("version", "2.0");

            Writer.WriteStartElement("channel");

            Writer.WriteElementString("title", "最新产品");

            Writer.WriteElementString("link",  "http://shop.myweb08.cn/ProductsList.aspx?type=new");

            Writer.WriteElementString("description", "最新产品http://shop.myweb08.cn/ProductsList.aspx?type=new");

            DataTable dt = Product.GetProduct();//获取产品DataTable

            foreach (DataRow row in dt.Rows)

            {

                Writer.WriteStartElement("item");

                Writer.WriteElementString("title", row["ProductName"].ToString());//产品名

                Writer.WriteElementString("link",  "http://shop.myweb08.cn/prodct/" + row["ProductName"].ToString() + ".html");//产品链接

                Writer.WriteElementString("description", row["Description"].ToString());//产品描述

                Writer.WriteElementString("author", "http://shop.myweb08.cn/");

                Writer.WriteElementString("pubDate", row["AddTime"].ToString());//更新时间

                Writer.WriteEndElement();

            }

            Writer.WriteEndElement(); 

            Writer.WriteEndElement();

            Writer.WriteEndDocument();

        }