private void Register(object sender, RoutedEventArgs e)
        {
            RegisterWindow newPage = new RegisterWindow(loginUser.IsAdministrator);

            newPage.Show();
            this.Close();
        }
        public LoginWindow()
        {
            if (!(context.Database.GetService <IDatabaseCreator>() as RelationalDatabaseCreator).Exists())
            {
                context.Database.EnsureCreated();
                RegisterWindow newPage = new RegisterWindow(true);

                newPage.Show();
                this.Close();
            }
            InitializeComponent();
        }