public MainPage(User user) { InitializeComponent(); this.user = user; if (!user.IsManager) { AssignedByMeTasks.Visibility = Visibility.Hidden; assignedCB.IsEnabled = false; } ActiveTasks.RaiseEvent(new RoutedEventArgs(ButtonBase.ClickEvent)); using (TaskListDB db = new TaskListDB()) { Users = db.Users.ToList(); DataContext = Users; } }