SL4.数据转换

Xaml：

        <StackPanel x:Name="sproot" Background="White">
            <StackPanel.Resources>
                <my:Converter x:Key="myConverter"></my:Converter>
            </StackPanel.Resources>
          
            <TextBlock x:Name="tbkDate" Width="180"
                       Margin="5" FontSize="15" Height="30"
                       Text="{Binding Date,Mode=TwoWay,Converter={StaticResource myConverter}}"></TextBlock>
            <sdk:Calendar Height="169" Name="calendar1" Width="230" />
        </StackPanel>

　　

Xaml.cs:

        Book book = new Book();
        public MainPage()
        {
            InitializeComponent();
            calendar1.SelectedDatesChanged += new EventHandler<SelectionChangedEventArgs>(calendar1_SelectedDatesChanged);
            book.Date = DateTime.Now.ToLongDateString();
            tbkDate.DataContext = book;
        }

        void calendar1_SelectedDatesChanged(object sender, SelectionChangedEventArgs e)
        {
            book.Date = calendar1.SelectedDate.ToString();
        }

　　

Book.cs:

  public class Book : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;
        private string _Title;
        public string Date
        {
            get { return _Title; }
            set
            {
                _Title = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new PropertyChangedEventArgs("Date"));
                }
            }
        }
    }

　　Converter.cs:

    public class Converter : IValueConverter
    {

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return DateTime.Parse(value.ToString()).ToString("yyyy年MM月dd日");
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }