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Creating WS-I Basic Profile 1.1 Interoperable Services

.NET Framework 4

Other Versions

To configure a WCF service endpoint to be interoperable with ASP.NET Web service clients:

Use the System.ServiceModel.BasicHttpBinding type as the binding type for your service endpoint.
Do not use callback and session contract features or transaction behaviors on your service endpoint

You can optionally enable support for HTTPS and transport-level client authentication on the binding.

The following features of the BasicHttpBinding class require functionality beyond WS-I Basic Profile 1.1:

Message Transmission Optimization Mechanism (MTOM) message encoding controlled by the System.ServiceModel.BasicHttpBinding.MessageEncoding property. Leave this property at its default value, which is System.ServiceModel.WSMessageEncoding.Text to not use MTOM.
Message security controlled by the System.ServiceModel.BasicHttpBinding.Security value provides WS-Security support compliant with WS-I Basic Security Profile 1.0. Leave this property at its default value, which is System.ServiceModel.SecurityMode.Transport to not use WS-Security.

To make the metadata for a WCF service available to ASP.NET, use the Web service client generation tools: Web Services Description Language Tool (Wsdl.exe), Web Services Discovery Tool (Disco.exe), and the Add Web Reference feature in Visual Studio; you must enable metadata publication. For more information, see Publishing Metadata Endpoints.

Example

Description

The following example code demonstrates how to add a WCF endpoint that is compatible with ASP.NET Web service clients in code and, alternatively, in configuration files.

Code

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

[ServiceContract]
public interface IEcho
{
    [OperationContract]
    string Echo(string s);
}

public class MyService : IEcho
{
    public string Echo(string s)
    {
        return s;
    }
}

class Program
{
    static void Main(string[] args)
    {
        string baseAddress = "http://localhost:8080/wcfselfhost/";
        ServiceHost host = new ServiceHost(typeof(MyService), new Uri(baseAddress));

        // Create a BasicHttpBinding instance
        BasicHttpBinding binding = new BasicHttpBinding();

        // Add a service endpoint using the created binding
        host.AddServiceEndpoint(typeof(IEcho), binding, "echo1");

        host.Open();
        Console.WriteLine("Service listening on {0} . . .", baseAddress);
        Console.ReadLine();
        host.Close();
    }
}

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<configuration>
  <system.serviceModel>
    <services>
      <service name="MyService" behaviorConfiguration="HttpGetMetadata">
        <endpoint address="echo2" contract="IEcho" binding="basicHttpBinding" />
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior name="HttpGetMetadata">
          <serviceMetadata httpGetEnabled="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>
</configuration>

None

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<configuration>
  <system.serviceModel>
    <services>
      <service name="MyService" behaviorConfiguration="HttpGetMetadata">
        <endpoint address="echo2" contract="IEcho" binding="basicHttpBinding" />
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior name="HttpGetMetadata">
          <serviceMetadata httpGetEnabled="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>
</configuration>

Creating WS-I Basic Profile 1.1 Interoperable Services

Example

Description

Code

See Also

Concepts