private async void Save_Click(object sender, RoutedEventArgs e)
        {
            if (myPassward.Password != App.thisuser.Password && myPassword2.Password == myPassward.Password)
            {
                var Announcement = await Database.Context.Users.SingleOrDefaultAsync(m => m.Id == App.thisuser.Id);

                if (Announcement != null)
                {
                    Announcement.Password = myPassword2.Password;
                    await Database.Context.SaveChangesAsync();
                }
                PhotoFrame.Navigate(typeof(Photo));
            }
        }
 private void Exit_Click(object sender, RoutedEventArgs e)
 {
     PhotoFrame.Navigate(typeof(MainPage));
 }