public void SubscribeToTicket(int ticketID) { Tickets tickets = new Tickets(UserSession.LoginUser); if (Tickets.IsUserSubscribed(UserSession.LoginUser, UserSession.LoginUser.UserID, ticketID)) { tickets.RemoveSubscription(UserSession.LoginUser.UserID, ticketID); } else { tickets.AddSubscription(UserSession.LoginUser.UserID, ticketID); } }