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Asked: 2026-06-15T20:34:57+00:00

When I enable animations for my application in the App.xaml.cs like so: RootFrame =

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When I enable animations for my application in the App.xaml.cs like so:

RootFrame = new RadPhoneApplicationFrame { Transition = new RadContinuumAndSlideTransition() };

I get a NullReference exception when I click on a datetime picker:

at Microsoft.Phone.Controls.DataSource.GetPrevious(Object relativeTo)
at Microsoft.Phone.Controls.Primitives.LoopingSelector.Balance()
at Microsoft.Phone.Controls.Primitives.LoopingSelector.UpdateData()
at Microsoft.Phone.Controls.Primitives.LoopingSelector.OnSizeChanged(Object
sender, SizeChangedEventArgs e)
at System.Windows.FrameworkElement.OnSizeChanged(Object sender,
SizeChangedEventArgs e)
at MS.Internal.JoltHelper.RaiseEvent(IntPtr
target, UInt32 eventId, IntPtr coreEventArgs, UInt32
eventArgsTypeIndex)

As I saw on various websites, this is a known issue, but I didn’t find a solution for this.

Could I maybe disable this animation for a single page?

Best Regards

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1 Answer

  1. Editorial Team

    As you’re using the Telerik controls, why not use the RadDatePicker instead of the DatePicker from the toolkit?

    The Telerik control does not have the issue the one in the toolkit has. (I’ve just checked.)

    If you need help using the Telerik RadDatePicker (& RadDateChooser) see http://www.telerik.com/support/videos/windows-phone-videos/getting-started-with-raddatepicker.aspx

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