ServiceMetadataBehavior.HttpGetEnabled Property

Reference

Definition

Namespace:: System.ServiceModel.Description

Assembly:: System.ServiceModel.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets a value that indicates whether to publish service metadata for retrieval using an HTTP/GET request.

public:
 property bool HttpGetEnabled { bool get(); void set(bool value); };

public bool HttpGetEnabled { get; set; }

member this.HttpGetEnabled : bool with get, set

Public Property HttpGetEnabled As Boolean

Property Value

Boolean

true if the WSDL is published; otherwise, false. The default is false.

Examples

The following code example demonstrates the use of ServiceMetadataBehavior in a configuration file to enable metadata support for HTTP/GET and WS-Transfer/GET requests.

        // Create a new metadata behavior object and set its properties to
        // create a secure endpoint.
        ServiceMetadataBehavior sb = new ServiceMetadataBehavior();
        //sb.EnableHelpPage= true;
        //sb.HttpsGetUrl = new Uri("https://myMachineName:8036/myEndpoint");
        //myServiceHost.Description.Behaviors.Add(sb);
    }

      private void SnippetServiceMetadataBehavior()
      {
          // service for which <<indigo2>> automatically adds a
          // ServiceMetadataBehavior to publish metadata as well as
          // an HTML service help page

          // from C_HowToSecureEndpoint\cs
          // Create a new metadata behavior object and set its properties to
          // create a secure endpoint.
          ServiceMetadataBehavior sb = new ServiceMetadataBehavior();
/*          sb.EnableHelpPage = true;
          sb.enableMetadataExchange = true;
          sb.HttpsGetUrl = new Uri("https://myMachineName:8036/myEndpoint");
          myServiceHost.Description.Behaviors.Add(sb);
 */
      }

    private void Run()
    {

      // T:System.ServiceModel.ServiceMetadataBehavior
      // <Snippet#0>

      // Create a ServiceHost for the service type and use the base address from configuration.
      ServiceHost host = new ServiceHost(typeof(SampleService));
      try
      {
        ServiceMetadataBehavior metad
          = host.Description.Behaviors.Find<ServiceMetadataBehavior>();
        if (metad == null)
          metad = new ServiceMetadataBehavior();
        metad.HttpGetEnabled = true;
        host.Description.Behaviors.Add(metad);
        host.AddServiceEndpoint(
          ServiceMetadataBehavior.MexContractName,
          MetadataExchangeBindings.CreateMexHttpBinding(),
          "mex"
        );

        // The service can now be accessed.
        Console.WriteLine("The service is ready.");
        Console.WriteLine("Press <ENTER> to terminate service.");
        Console.WriteLine();
        Console.ReadLine();

        // Close the ServiceHostBase to shutdown the service.
        host.Close();

        // </Snippet#0>

Remarks

If the value of HttpGetUrl is relative, the address at which the metadata is published is the base address and the service address plus a ?wsdl querystring.

If the value of HttpGetUrl is absolute the address at which the metadata is published is the value of HttpGetUrl value plus a ?wsdl querystring.

For example, if the service address is http://localhost:8080/CalculatorService and the HttpGetUrl is an empty string, the HTTP/GET metadata address is http://localhost:8080/CalculatorService?wsdl.

If you do not enable this property and do not change HttpGetUrl or set it to a relative address, an exception is thrown at runtime when the service host is opened without a base address for HTTP.

Applies to

Jaa