public T Parse<T>(string body) where T : DdResponse
        {
            XmlSerializer serializer;
            var xml = new XmlDocument();
            xml.LoadXml(body);
            if (xml.DocumentElement != null)
            {
                var innerXml = xml.DocumentElement.InnerXml;
                xml.RemoveChild(xml.DocumentElement);
                var xmlElement = xml.CreateElement(typeof(T).Name);
                xmlElement.InnerXml = innerXml;
                xml.AppendChild(xmlElement);
                body = xml.InnerXml;
            }
            var rootTagName = typeof(T).Name;
            var inc = Parsers.TryGetValue(rootTagName, out serializer);
            if (!inc || serializer == null)
            {
                var rootAttrs = new XmlAttributes { XmlRoot = new XmlRootAttribute(rootTagName) };
                var attrOvrs = new XmlAttributeOverrides();
                attrOvrs.Add(typeof(T), rootAttrs);
                serializer = new XmlSerializer(typeof(T), attrOvrs);
                Parsers[rootTagName] = serializer;
            }
            object obj;
                //鼠标放在stream 上面的时候 提示2个异常
[color=#FF0000]  
 stream.ReadTimeOut 引发了“System.InvalidOperationexception”类型的异常
 stream.ReadTimeOut 引发了“System.InvalidOperationexception”类型的异常
[/color]       
     using (Stream stream = new MemoryStream(_encoding.GetBytes(body.Trim())))
            {
            [color=#FF0000] obj = serializer.Deserialize(stream);[/color] 
//obj这句话 报错：就走不下去了，  


stream.ReadTimeOut 引发了“System.InvalidOperationexception”类型的异常
stream.ReadTimeOut 引发了“System.InvalidOperationexception”类型的异常

未处理  InvaidOpertionException

XML 文档(0, 0)中有错误。  ---都说是XML问题！XML 打开的没啥问题呀！可能是流转换的时候问题！   
        stream.Close();
            }