WCF中的Data Contract（4）：WCF Data Contract Versioning(1)

Data Contract
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
namespace Artech.DataContractVersioning.Service
{
[DataContract(Namespace="http://artech.datacontractversioning")]
public class Order
{
[DataMember(Order = 0)]
public Guid OrderID
{get;set;}
[DataMember(Order = 1)]
public DateTime OrderDate
{ get; set; }
[DataMember(Order = 2)]
public Guid SupplierID
{ get; set; }
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
namespace Artech.DataContractVersioning.Service
{
[ServiceContract]
public interface IOrderManager
{
[OperationContract]
Order Process(Order order);
}
}
namespace Artech.DataContractVersioning.Service
{
public class OrderManagerService:IOrderManager
{
IOrderManager Members#region IOrderManager Members
public Order Process(Order order)
{
return order;
}
#endregion
}
}

Data Contract
[DataContract(Name="Order",Namespace="http://artech.datacontractversioning")]
public class CustomOrder
{
[DataMember(Order = 0, Name="OrderID")]
public Guid OrderNo
{ get; set; }
[DataMember(Order = 2, Name = "SupplierID")]
public Guid SupplierNo
{ get; set; }
[DataMember(Order = 1)]
public DateTime OrderDate
{ get; set; }        
}
}

namespace Artech.DataContractVersioning.Client
{
class Program
{
static void Main(string[] args)
{
ChannelFactory channelFactory = new ChannelFactory("orderManager.http");
IOrderManager orderManager = channelFactory.CreateChannel();
try
{
CustomOrder order = new CustomOrder { OrderNo = Guid.NewGuid(), 
SupplierNo = Guid.NewGuid(), OrderDate = DateTime.Today, 
ShippingAddress="Room E101, Airport Rd #328, Suzhou 
Jiangsu Province" };
Console.WriteLine("The original order: \n{0}", order.ToString());
order = orderManager.Process(order);
Console.WriteLine("\n\nThe order processed by service: \n{0}", 
order.ToString());
}
finally
{
(orderManager as IDisposable).Dispose();
}
Console.Read();
}
}
}