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copied!<p>This is a very reasonable approach. </p> <p>To do this you setup your service endpoint and configure it with your custom membership provider (You can do the same with SQL membership provider, it doesn't require a custom one).</p> <p>On the web application you set up the Authenticate event of the Login control to instantiate a new service proxy and set the username/password in the ClientCredentials in the proxy.</p> <p>Now when you make the call to the Service through the proxy WCF will pass these credentials through the secure channel to the service and use them for authentication.</p> <p>Now you simply need to store the proxy in session and use it for future access to the service as it has the channel state and a private key.</p> <pre><code>protected void LoginControl_Authenticate(object sender, AuthenticateEventArgs e) { bool Authenticated = false; try { MyServiceClient proxy = new MyServiceClient("MyServiceEndpoint"); proxy.ClientCredentials.UserName.UserName = LoginControl.UserName; proxy.ClientCredentials.UserName.Password = LoginControl.Password; //It doesn't really matter what is called or what it does because //Membership Provider for the Service does the authentication. string retval = proxy.login("Logging in"); //Now that channel is established the proxy needs to be kept //since it contains the channel state which includes a private key Session["MyServiceProxy"] = proxy; Authenticated = true; } catch (Exception ex) { //Login Error... } e.Authenticated = Authenticated; } </code></pre>

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