1 files changed, 39 insertions, 31 deletions

diff --git a/samples/OpenIdRelyingPartyWebForms/DetectGoogleSession.aspx.cs b/samples/OpenIdRelyingPartyWebForms/DetectGoogleSession.aspx.cs
index 3af9783..909c4bc 100644
--- a/samples/OpenIdRelyingPartyWebForms/DetectGoogleSession.aspx.cs
+++ b/samples/OpenIdRelyingPartyWebForms/DetectGoogleSession.aspx.cs
@@ -1,6 +1,7 @@
 namespace OpenIdRelyingPartyWebForms {
 	using System;
 	using System.Web;
+	using System.Web.UI;
 
 	using DotNetOpenAuth.ApplicationBlock.CustomExtensions;
 	using DotNetOpenAuth.OpenId;
@@ -12,38 +13,45 @@
 
 		private const string UIModeDetectSession = "x-has-session";
 
-		protected async void Page_Load(object sender, EventArgs e) {
-			using (var openid = new OpenIdRelyingParty()) {
-				// In order to receive the UIRequest as a response, we must register a custom extension factory.
-				openid.ExtensionFactories.Add(new UIRequestAtRelyingPartyFactory());
+		protected void Page_Load(object sender, EventArgs e) {
+			this.RegisterAsyncTask(
+				new PageAsyncTask(
+					async ct => {
+						using (var openid = new OpenIdRelyingParty()) {
+							// In order to receive the UIRequest as a response, we must register a custom extension factory.
+							openid.ExtensionFactories.Add(new UIRequestAtRelyingPartyFactory());
 
-				var response = await openid.GetResponseAsync(new HttpRequestWrapper(Request), Response.ClientDisconnectedToken);
-				if (response == null) {
-					// Submit an OpenID request which Google must reply to immediately.
-					// If the user hasn't established a trust relationship with this site yet,
-					// Google will not give us the user identity, but they will tell us whether the user
-					// at least has an active login session with them so we know whether to promote the
-					// "Log in with Google" button.
-					IAuthenticationRequest request = await openid.CreateRequestAsync("https://www.google.com/accounts/o8/id", new HttpRequestWrapper(Request), Response.ClientDisconnectedToken);
-					request.AddExtension(new UIRequest { Mode = UIModeDetectSession });
-					request.Mode = AuthenticationRequestMode.Immediate;
-					await request.RedirectToProviderAsync(new HttpContextWrapper(this.Context), Response.ClientDisconnectedToken);
-				} else {
-					if (response.Status == AuthenticationStatus.Authenticated) {
-						this.YouTrustUsLabel.Visible = true;
-					} else if (response.Status == AuthenticationStatus.SetupRequired) {
-						// Google refused to authenticate the user without user interaction.
-						// This is either because Google doesn't know who the user is yet,
-						// or because the user hasn't indicated to Google to trust this site.
-						// Google uniquely offers the RP a tip as to which of the above situations is true.
-						// Figure out which it is.  In a real app, you might use this value to promote a 
-						// Google login button on your site if you detect that a Google session exists.
-						var ext = response.GetUntrustedExtension<UIRequest>();
-						this.YouAreLoggedInLabel.Visible = ext != null && ext.Mode == UIModeDetectSession;
-						this.YouAreNotLoggedInLabel.Visible = !this.YouAreLoggedInLabel.Visible;
-					}
-				}
-			}
+							var response = await openid.GetResponseAsync(new HttpRequestWrapper(Request), Response.ClientDisconnectedToken);
+							if (response == null) {
+								// Submit an OpenID request which Google must reply to immediately.
+								// If the user hasn't established a trust relationship with this site yet,
+								// Google will not give us the user identity, but they will tell us whether the user
+								// at least has an active login session with them so we know whether to promote the
+								// "Log in with Google" button.
+								IAuthenticationRequest request =
+									await
+									openid.CreateRequestAsync(
+										"https://www.google.com/accounts/o8/id", new HttpRequestWrapper(Request), Response.ClientDisconnectedToken);
+								request.AddExtension(new UIRequest { Mode = UIModeDetectSession });
+								request.Mode = AuthenticationRequestMode.Immediate;
+								await request.RedirectToProviderAsync(new HttpContextWrapper(this.Context), Response.ClientDisconnectedToken);
+							} else {
+								if (response.Status == AuthenticationStatus.Authenticated) {
+									this.YouTrustUsLabel.Visible = true;
+								} else if (response.Status == AuthenticationStatus.SetupRequired) {
+									// Google refused to authenticate the user without user interaction.
+									// This is either because Google doesn't know who the user is yet,
+									// or because the user hasn't indicated to Google to trust this site.
+									// Google uniquely offers the RP a tip as to which of the above situations is true.
+									// Figure out which it is.  In a real app, you might use this value to promote a 
+									// Google login button on your site if you detect that a Google session exists.
+									var ext = response.GetUntrustedExtension<UIRequest>();
+									this.YouAreLoggedInLabel.Visible = ext != null && ext.Mode == UIModeDetectSession;
+									this.YouAreNotLoggedInLabel.Visible = !this.YouAreLoggedInLabel.Visible;
+								}
+							}
+						}
+					}));
 		}
 	}
 }
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