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FaultContractAttribute Class

Specifies one or more SOAP faults that are returned when a service operation encounters processing errors.

System.Object
  System.Attribute
    System.ServiceModel.FaultContractAttribute

Namespace:  System.ServiceModel
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

[AttributeUsageAttribute(AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
public sealed class FaultContractAttribute : Attribute

The FaultContractAttribute type exposes the following members.

  NameDescription
Public methodSupported by Silverlight for Windows PhoneFaultContractAttributeInitializes a new instance of the FaultContractAttribute class.
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  NameDescription
Public propertySupported by Silverlight for Windows PhoneActionGets or sets the action of the SOAP fault message that is specified as part of the operation contract.
Public propertySupported by Silverlight for Windows PhoneDetailTypeGets the type of a serializable object that contains error information.
Public propertySupported by Silverlight for Windows PhoneNameGets or sets the name of the fault message in Web Services Description Language (WSDL).
Public propertySupported by Silverlight for Windows PhoneNamespaceGets or sets the namespace of the SOAP fault.
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  NameDescription
Public methodSupported by Silverlight for Windows PhoneEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodSupported by Silverlight for Windows PhoneFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodSupported by Silverlight for Windows PhoneGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodSupported by Silverlight for Windows PhoneMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneToStringReturns a string that represents the current object. (Inherited from Object.)
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[ServiceContract(Namespace = "")]
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
public class Service
{
    [OperationContract]
    // Define the fault contract for an operation.
    [FaultContract(typeof(ArithmeticFault))]
    public int Calculate(Operation op, int a, int b)
    {
        switch (op)
        {
            case Operation.Add:
                return a + b;
                break;

            case Operation.Subtract:
                return a - b;
                break;

            case Operation.Multiply:
                return a * b;
                break;

            case Operation.Divide:

                // Add support for faults
                try
                {
                    return a / b;
                }
                catch (DivideByZeroException e)
                {
                    ArithmeticFault fault = new ArithmeticFault();
                    fault.Operation = Operation.Divide;
                    fault.Description = e.Message;
                    throw new FaultException<ArithmeticFault>(fault);
                }

                break;
        }

        return 0;
    }
}

public enum Operation
{
    Add,
    Subtract,
    Multiply,
    Divide
}

public class ArithmeticFault
{
    public Operation Operation { get; set; }
    public string Description { get; set; }
}


Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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