public void Register(object sender, RoutedEventArgs e)
        {
            if (IsValid())
            {
                var userCreated = _userManager.RegisterUser(GetUser());

                if (userCreated)
                {
                    MessageBoxResult result = MessageBox.Show("User has been created. You will be navigated to the login window.", "Creation Result", MessageBoxButton.OK);

                    if (result == MessageBoxResult.OK)
                    {
                        var loginWindow = new LoginWindow();
                        loginWindow.Show();
                        Close();
                    }
                }
            }
        }