Send from navigate to datetimePicker

Question

How to setting toolkit : datetimePicker.

I send date by msg3.   ex.  17:01:2014

I want to setting  datetimePicker in new page

 

<TextBlock x:Name="dmySend"  /> 

 

//new page

protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);

string msg3 = "";

NavigationContext.QueryString.TryGetValue("msg3", out msg3))

 

DateTime msg3= (DateTime)beginDatePicker.Value;