OperationContractAttribute.ReplyAction Property

Gets or sets the value of the SOAP action for the reply message of the operation.

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

public string ReplyAction { get; set; }
/** @property */
public String get_ReplyAction ()

/** @property */
public void set_ReplyAction (String value)

public function get ReplyAction () : String

public function set ReplyAction (value : String)

Not applicable.

Property Value

The value of the SOAP action for the reply message.

Exception typeCondition

ArgumentNullException

ReplyAction is a null reference (Nothing in Visual Basic).

In addition to specifying a particular value for the action header of the reply message, you can also specify the string "*" (an asterisk). Specifying an asterisk in the service instructs WCF not to add a reply action to the message, which is useful if you are programming against messages directly. Specifying an asterisk in a client application instructs WCF not to validate the reply action.

The following example is a service that uses the Action and ReplyAction properties to explicitly control the SOAP actions of both the input and output (or reply) messages. It also uses the Name property to declare the name of the operation as exposed in metadata.

using System;
using System.Collections.Generic;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.Text;

namespace Microsoft.WCF.Documentation
{
  [ServiceContract(Namespace="http://Microsoft.WCF.Documentation")]
  public interface ISampleService{

    [OperationContract(
      Action="http://Microsoft.WCF.Documentation/OperationContractMethod",
      Name="OCAMethod",
      ReplyAction="http://Microsoft.WCF.Documentation/ResponseToOCAMethod"
    )]
    string SampleMethod(string msg);

    [OperationContractAttribute(Action = "*")]
    void UnrecognizedMessageHandler(Message msg);
  }

  class SampleService : ISampleService
  {
    public string  SampleMethod(string msg)
    {
      Console.WriteLine("Called with: {0}", msg);
 	    return "The service greets you: " + msg;
    }

    public void UnrecognizedMessageHandler(Message msg)
    {
      Console.WriteLine("Unrecognized message: " + msg.ToString());
    }
  }
}

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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