生成xml是，怎么生成的代码是对的，页面显示不对，右键查看源代码，存储为xml文件，就能正常显示，但是把生成的xml文件，直接response.write(xml.tostring()) 出来，就如图片显示，把所有的xml内容显示出来了，没有节点呢。  分析可能是以字符窜方式解析的，问不是xml。请高手赐教。一下是生成的源代码：

是用改了XmlDocument 和XmlTextWriter两种方法生成，输出结果都一样。我还试验了一下，保存一个文件，然后在读取文件，显示结果还是如图片，所以请高手赐教。

try
        {
            DataSetWebService GetService = new DataSetWebService();
            Hashtable SqlCollection = new Hashtable();
            SqlCollection.Add("ToAccess", "SELECT * from news where date between #" + DateTime.Now.AddMonths(-6).ToShortDateString() + "# and #" + DateTime.Now.ToShortDateString() + "#");
            DictionaryEntry[] _DictEntry = new DictionaryEntry[SqlCollection.Count];
            SqlCollection.CopyTo(_DictEntry, 0);
            String _Context = ClsCommon.Serializer<DictionaryEntry[]>(_DictEntry);
            DataSet ds = GetService.GetDataSet(_Context);

            string linkStr = "";
            string cssStr = "";
            DataSet dt = GetService.GetDataTable("ToHKIE_APP_CMT", "select * from tbl_XmlSetup where DbName='ToAccess'");
            if (dt != null && dt.Tables[0].Rows.Count > 0)
            {
                linkStr = dt.Tables[0].Rows[0]["Link"].ToString();
                cssStr = dt.Tables[0].Rows[0]["CssContent"].ToString();
            }

            //方法一，用XmlDocument生成
            XmlDocument xmlDoc = new XmlDocument();
            XmlDeclaration declarNode = xmlDoc.CreateXmlDeclaration("1.0", Encoding.Default.ToString(), "yes");
            xmlDoc.AppendChild(declarNode);
            XmlComment xmlCom = xmlDoc.CreateComment("Copyright Innoways.com ");
            xmlDoc.AppendChild(xmlCom);
            XmlNode rootNode = xmlDoc.CreateElement("NEWES");
            if (ds != null)
            {
                for (int i = 0; i < ds.Tables.Count; i++)
                {
                    foreach (DataRow row in ds.Tables[i].Rows)
                    {
                        XmlNode newNode = xmlDoc.CreateElement("NEWS");
                        XmlNode newIDNode = xmlDoc.CreateElement("NEWS_ID");
                        newIDNode.InnerText = row["serialno"].ToString();
                        newNode.AppendChild(newIDNode);

                        XmlNode dateNode = xmlDoc.CreateElement("DATE");
                        dateNode.InnerText = ClsCommon.ConvertDateTimeToString(row["date"], "dd.MMM.yyyy");
                        newNode.AppendChild(dateNode);

                        XmlNode updateDateNode = xmlDoc.CreateElement("UPDATE_DATE");
                        updateDateNode.InnerText = ClsCommon.ConvertDateTimeToString(row["update"], "dd.MMM.yyyy");
                        newNode.AppendChild(updateDateNode);

                        XmlNode deadDateNode = xmlDoc.CreateElement("DEAD_DATE");
                        deadDateNode.InnerText = ClsCommon.ConvertDateTimeToString(row["deaddate"], "dd.MMM.yyyy");
                        newNode.AppendChild(deadDateNode);

                        XmlNode headLineNode = xmlDoc.CreateElement("HEADLINE");
                        XmlCDataSection headLineCdata = xmlDoc.CreateCDataSection(CommonMethods.AddHtmlCode(row["headline"].ToString(), linkStr, linkStr));
                        headLineNode.AppendChild(headLineCdata);
                        newNode.AppendChild(headLineNode);

                        XmlNode htmlNode = xmlDoc.CreateElement("HTML");
                        XmlCDataSection htmlCdata = xmlDoc.CreateCDataSection(CommonMethods.AddHtmlCode(cssStr, row["desc"].ToString(), linkStr, linkStr));
                        htmlNode.AppendChild(htmlCdata);
                        newNode.AppendChild(htmlNode);

                        XmlNode logoNode = xmlDoc.CreateElement("LOGO");
                        XmlCDataSection logoCdata = xmlDoc.CreateCDataSection("http://demo.i-wanna.com/hkie_apps_xml/material/testing_default_logo.jpg");  //对应的logo地址
                        logoNode.AppendChild(logoCdata);
                        newNode.AppendChild(logoNode);

                        XmlNode activeNode = xmlDoc.CreateElement("ACTIVE");
                        activeNode.InnerText = row["active"].ToString();
                        newNode.AppendChild(activeNode);
                        rootNode.AppendChild(newNode);
                    }
                }
            }
            xmlDoc.AppendChild(rootNode);

            MemoryStream stream = new MemoryStream();
            XmlTextWriter writer = new XmlTextWriter(stream, Encoding.Default);
            writer.Formatting = Formatting.Indented;
            xmlDoc.Save(writer);
            StreamReader reader = new StreamReader(stream, Encoding.Default);
            stream.Position = 0;
            String content = reader.ReadToEnd();
            reader.Close();
            stream.Close();
            Response.Write(content);
            ds.Dispose();
            dt.Dispose();

            //方法二，用XmlTextWriter生成
            //XmlTextWriter xmlWrite = new XmlTextWriter(Response.OutputStream, Encoding.Default);
            //xmlWrite.WriteStartDocument();
            //xmlWrite.Formatting = Formatting.Indented;
            //xmlWrite.WriteComment("Copyright Innoways.com ");
            //xmlWrite.WriteStartElement("NEWES");
            //if (ds != null)
            //{
            //    for (int i = 0; i < ds.Tables.Count; i++)
            //    {
            //        foreach (DataRow row in ds.Tables[i].Rows)
            //        {
            //            xmlWrite.WriteStartElement("NEWS");
            //            xmlWrite.WriteElementString("NEWS_ID", row["serialno"].ToString());
            //            xmlWrite.WriteElementString("DATE", ClsCommon.ConvertDateTimeToString(row["date"], "dd.MMM.yyyy"));
            //            xmlWrite.WriteElementString("UPDATE_DATE", ClsCommon.ConvertDateTimeToString(row["update"], "dd.MMM.yyyy"));
            //            xmlWrite.WriteElementString("DEAD_DATE", ClsCommon.ConvertDateTimeToString(row["deaddate"], "dd.MMM.yyyy"));

            //            xmlWrite.WriteRaw(@"<HEADLINE>" + CommonMethods.AddHtmlCode(cssStr, row["headline"].ToString(), linkStr, linkStr) + "</HEADLINE>");
            //            //xmlWrite.WriteRaw("<HTML>" + CommonMethods.AddHtmlCode(cssStr, row["desc"].ToString(), linkStr, linkStr) + "</HTML>");
            //            //xmlWrite.WriteRaw("<LOGO>" + CommonMethods.AddCDATA("http://demo.i-wanna.com/hkie_apps_xml/material/testing_default_logo.jpg") + "</LOGO>");

            //            //xmlWrite.WriteElementString("HEADLINE", CommonMethods.AddHtmlCode(cssStr, row["headline"].ToString(), linkStr, linkStr));
            //            //xmlWrite.WriteElementString("HTML", CommonMethods.AddHtmlCode(cssStr, row["desc"].ToString(), linkStr, linkStr));
            //            //xmlWrite.WriteElementString("LOGO", CommonMethods.AddCDATA("http://demo.i-wanna.com/hkie_apps_xml/material/testing_default_logo.jpg")); //暂无此字段，等客户加上

            //            xmlWrite.WriteElementString("ACTIVE", row["active"].ToString());
            //            xmlWrite.WriteEndElement();
            //        }
            //    }
            //}

            //xmlWrite.WriteEndElement();
            //xmlWrite.WriteEndDocument();

            //xmlWrite.Flush();
            //xmlWrite.Close();
            //doc.Load("new.xml");
            //Response.Write(doc.);
            // File.Delete("new.xml");
            //Stream sm = xmlWrite.BaseStream;
            //XmlDocument doc = new XmlDocument();
            //doc.Load(sm);
            //string s = doc.InnerText;
            //ds.Dispose();
            //dt.Dispose();
        }
        catch (Exception ex)
        {

        }