Convert Between Class And Xml

 public  T DeSerializer<T>(string serializer)  

     {        

     DataContractSerializer ser = new DataContractSerializer(typeof(T));      

     MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(serializer));        

     T DatatractDto = (T)ser.ReadObject(ms);        

     ms.Close();      

     return DatatractDto;  

     }

public string Serialize<T>(T instance)  

     {          

       DataContractSerializer ser = new DataContractSerializer(instance.GetType());      

       using (MemoryStream ms = new MemoryStream())    

       {
                ser.WriteObject(ms, instance);
                StringBuilder sb = new StringBuilder();
                sb.Append(Encoding.UTF8.GetString(ms.ToArray()));
                return sb.ToString();
        }  

     }

Description:

          DataContractSerializer Class   from      namespace of      System.Runtime.Serialization

         MemoryStream   Class  from namespace of System.IO

Import:

          how to  DeSerializer ? the xml string contains the namespace of T.It could based on the namespace to find T,then do the   DeSerializer .So,if we change the namespace of T,it will not success because of no finding T by namespace!