using System;

using System.IO;

using System.Xml.Serialization;

using System.Xml;

using System.Text;

using System;  

using System.Xml.Serialization;  

public class Transportation

{

   // The SoapElementAttribute specifies that the

   // generated XML element name will be "Wheels"

   // instead of "Vehicle".

   [SoapElement("Wheels")]

   public string Vehicle;

   [SoapElement(DataType = "dateTime")]

   public DateTime CreationDate;

   [SoapElement(IsNullable = true)]

   public Thing thing;

}

​

public class Thing{ 

   [SoapElement(IsNullable=true)] public string ThingName;

}

​

public class Test

{

   public static void Main()

   {

      Test t = new Test();

      t.SerializeObject("SoapElementOriginal.xml");

​

      //t.SerializeOverride("SoapElementOverride.xml");

​

      var s = ReadAllText("SoapElementOriginal.xml");       

      Console.Write(s);

​

   }

​

​

   public void SerializeObject(string filename){

      // Create an XmlSerializer instance.

      XmlSerializer ser = new XmlSerializer(typeof(Transportation));

      Transportation myTransportation = 

      new Transportation();

      myTransportation.Vehicle = "MyCar";

      myTransportation.CreationDate = DateTime.Now;

      myTransportation.thing = new Thing();

      XmlTextWriter writer = 

      new XmlTextWriter(filename, Encoding.UTF8);

      writer.Formatting = Formatting.Indented;

      writer.WriteStartElement("wrapper");

      ser.Serialize(writer, myTransportation);

      writer.WriteEndElement();

      writer.Close();

   }

        public static string ReadAllText(string path)

    {

        return File.ReadAllText(path);

    }

}