void buttonClick(object sender, RoutedEventArgs e)
        {
            Button item = (Button)sender;
            SolidColorBrush brush = new SolidColorBrush();
            brush.Color = Windows.UI.Colors.LightGreen;
            item.Background = brush;

            brush.Color = Windows.UI.Colors.Black;
            item.Foreground = brush;
            Button item1 = new Button();
            item1 = (Button) LastSender;
            foreach (String notepad in notepadRepository.GetNotepadesNames())
            {
                if (notepad.Equals(item1.ToString().ToLower()))
                Notepad = notepad;
            }
            //NoteContent noteContent = new NoteContent(item1);
            Window.Current.Content = new NoteContent(item1,item);
        }