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POFacebook Integration Session Issue
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copied!<p>Here is my UserLogin.aspx Page code, which contains authentication of Facebook user, the problem is i am maintaing token in session which i laterly use it on Default.aspx. if you see the line Session["facebook_token"] = authToken;</p> <p>On my Default.aspx page load i have placed this code, but it gives me null value, when i go to home or default page.</p> <pre><code> if (Session["facebook_token"] != null) lblUserName.Text = Session["facebook_token"].ToString(); using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using SocialMediaModel; using Facebook.Components; public partial class UserLogin : System.Web.UI.Page { FacebookService _fbService = new FacebookService(); private const string FACEBOOK_API_KEY = "551810942508804"; private const string FACEBOOK_SECRET = "b63b8cca428b42935e6eab59976367b1"; protected void Page_Load(object sender, EventArgs e) { // ApplicationKey and Secret are acquired when you sign up for _fbService.ApplicationKey = FACEBOOK_API_KEY; _fbService.Secret = FACEBOOK_SECRET; _fbService.IsDesktopApplication = false; string sessionKey = Session["facebook_session_key"] as String; string userId = Session["facebook_userId"] as String; string authToken = Request.QueryString["auth_token"]; Session["facebook_token"] = authToken; // We have already established a session on behalf of this user if (!String.IsNullOrEmpty(sessionKey)) { _fbService.SessionKey = sessionKey; _fbService.UserId = userId; } // This will be executed when facebook login redirects to our page else if (!String.IsNullOrEmpty(authToken)) { _fbService.CreateSession(authToken); Session["facebook_session_key"] = _fbService.SessionKey; Session["facebook_userId"] = _fbService.UserId; Session["facebook_session_expires"] = _fbService.SessionExpires; } // Need to login else { Response.Redirect(@"http://www.facebook.com/login.php?api_key=" + _fbService.ApplicationKey + @"&v=1.0"); } } } </code></pre>

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