windows-8 – datetimepicker绑定问题

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我正在尝试使用 Windows 8.1的新dateTimePicker:
  1. <DatePicker HorizontalAlignment="Left" Margin="401,245,0" Grid.Row="1"
  2. VerticalAlignment="Top" Width="352" Date="{Binding personSingle.personDOB,Mode=TwoWay}"/>

当我改变日期时,当我查看personDOB的值时,我没有得到我选择的值.
personDOB的类型为DateTimeOffset

我需要做什么才能获得我选择的价值?

更新:

  1. <DatePicker x:Name="dtPick" HorizontalAlignment="Left" Margin="401,0" Grid.Row="1"
  2. VerticalAlignment="Top" Width="352" DataContext="{Binding personSingle}"
  3. Date="{Binding personSingle.personDOB.Date,Mode=TwoWay}"/>
我从这个链接找到了答案:

http://bretstateham.com/binding-to-the-new-xaml-datepicker-and-timepicker-controls-to-the-same-datetime-value/

您需要编写一个转换器才能使其正常工作:

  1. public class DateTimeToDateTimeOffsetConverter : IValueConverter
  2. {
  3. public object Convert(object value,Type targetType,object parameter,string language)
  4. {
  5. try
  6. {
  7. DateTime date = (DateTime)value;
  8. return new DateTimeOffset(date);
  9. }
  10. catch (Exception ex)
  11. {
  12. return DateTimeOffset.MinValue;
  13. }
  14. }
  15.  
  16. public object ConvertBack(object value,string language)
  17. {
  18. try
  19. {
  20. DateTimeOffset dto = (DateTimeOffset)value;
  21. return dto.DateTime;
  22. }
  23. catch (Exception ex)
  24. {
  25. return DateTime.MinValue;
  26. }
  27. }
  28. }

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