private void doFacebookDisconnect()
    {
        StateManager stateManager = StateManager.Instance;
        SessionValue objSessionvalue = (SessionValue)stateManager.Get("objSessionvalue", StateManager.State.Session);
        StringBuilder sbr = new StringBuilder();
        if (objSessionvalue == null)
        {
            messageText.Text = "Your Tribute session had expired. Please log in.";
            refreshPage.Text = Request.QueryString["source"].ToString().Equals("headerLogin")
               ? "false" : "true";
        }
        else
        {
            UserRegistration objUserReg = new UserRegistration();
            TributesPortal.BusinessEntities.Users objUsers = new TributesPortal.BusinessEntities.Users();
            objUsers.UserId = objSessionvalue.UserId;
            objUserReg.Users = objUsers;

            UserInfoManager umgr = new UserInfoManager();
            umgr.RemoveFacebookAssociation(objUserReg);
            HttpContext.Current.Session.Clear();
            if (string.IsNullOrEmpty(objSessionvalue.UserEmail))
            {
                sbr.Append("<div class=\"yt-Error\"><h3>Urgent: You must <a href=\"");
                sbr.Append(Session["APP_BASE_DOMAIN"].ToString());
                sbr.Append("adminprofileemailpassword.aspx\">set up an email address and password</a>!</h3>");
                sbr.Append("Your account was disconnected from Facebook, but you do not have an ");
                sbr.Append("email address and password on file. If you do not create a password ");
                sbr.Append("then you will not be able to login later.</div>");
                messageText.Text = sbr.ToString();
            }
            else
            {
                messageText.Text = "<div class=\"yt-Notice\">Facebook was disconnected from your account.</div>";
            }
        }
    }
 public void RemoveFacebookAssociationTest()
 {
     UserInfoManager target = new UserInfoManager(); // TODO: Initialize to an appropriate value
     UserRegistration _objUserRegistration = null; // TODO: Initialize to an appropriate value
     target.RemoveFacebookAssociation(_objUserRegistration);
     Assert.Inconclusive("A method that does not return a value cannot be verified.");
 }