Fault Exception in WCF

calling the FaultException in Catch block

catch (Exception ex)

{

throw ex ;

// useful when FaultException attribute is mentioned in the web method called.

//with method declaration in interface.

////[FaultContract(typeof (MyFaultException))]

//MyFaultException myException = new MyFaultException();

//myException.Reason = "Reason for this error is : " + ex.Message.ToString();

}

Fault exception definition

// optional but a good practice.

[DataContract]

public class MyFaultException

{

private string _reason;

[DataMember]

public string Reason

{

get { return _reason; }

set { _reason = value; }

}

}