-------------interface----------------------

  /// <summary>

    /// 租赁合同管理

    /// </summary>

    [ServiceContract]

    public interface IRental

    {

        [OperationContract]

        [FaultContract(typeof(RentalRegistFault))]

        string RegisterCarRental(RentalRegistraction rentalRegistraction);//注册一个租赁合同

        [OperationContract]

        [FaultContract(typeof(RentalRegistFault))]

        void RegisterCarRentalAsPaid(string rentalID);//标记租赁合同已付款

        [OperationContract]

        [FaultContract(typeof(RentalRegistFault))]

        void StartCarRental(string rentalID);//在某个地点为某个合同准备好汽车

        [OperationContract]

        [FaultContract(typeof(RentalRegistFault))]

        void StopCarRental(string rentalID);//车辆将指定的位置还给公司

        [OperationContract]

        [FaultContract(typeof(RentalRegistFault))]

        RentalRegistraction GetRentalRegsitration(string rentalID);//获取某个合同的全部数据

    }

---------------------RentalRegistFault--------------------------

   [DataContract]

    public class RentalRegistFault

    {

        [DataMember]

        public string FaultDescription { get; set; }

        [DataMember]

        public int FaultID { get; set; }

    }

------------------Service_Imp-------------------------------

 public class RentalImplementation:IRental

    {

        #region IRental 成员

        public string RegisterCarRental(RentalRegistraction rentalRegistraction)

        {

            if (rentalRegistraction == null)

            {

                RentalRegistFault fault = new RentalRegistFault();

                fault.FaultID = 1;

                fault.FaultDescription = "传递的参数为空";

                throw new FaultException<RentalRegistFault>(fault,"传递的参数引用为空");

            }

            using (DataClassesRentalDataContext context = new DataClassesRentalDataContext())

            {

                Rental rental = new Rental();

                rental.CarID = rentalRegistraction.CarID;

                rental.CustomerID = rentalRegistraction.CustomerID;

                rental.DropOffLocation = rentalRegistraction.DropOffLocation;

                context.Rental.InsertOnSubmit(rental);

                context.SubmitChanges();

            }

            return "ok";

        }

----------------------------Client-------------------------------------

private void button1_Click(object sender, EventArgs e)

        {

            CarRentalPrxoxy proxy = new CarRentalPrxoxy();

            RentalRegistraction registraction = new RentalRegistraction();

            registraction.CarID = "JF00000";

            registraction.Comments = "备注";

            registraction.CustomerID = 1;

            registraction.DropOffDateTime = DateTime.Now;

            registraction.DropOffLocation = -1;

            string reult = "";

            try

            {

                reult = proxy.RegisterCarRental(null);

            }

            catch (FaultException<RentalInterface.RentalRegistFault> rentalRegistFaultex)

            {

                RentalRegistFault fault = rentalRegistFaultex.Detail;

                MessageBox.Show(rentalRegistFaultex.Message + " "+ fault.FaultDescription+" " + fault.FaultID);

                return;

            }

            catch (FaultException ex)

            {

                MessageBox.Show(ex.StackTrace);

                return;

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.StackTrace);

                return;

            }

            MessageBox.Show(reult);

        }

--------------------------------------------------------------------------

注意：FaultException需要引入System.ServiceModel.dll文件