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not able to use Line3DSeriesDefinition

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This is a migrated thread and some comments may be shown as answers.
Brian Graves
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Brian Graves asked on 22 Jun 2010, 09:22 PM
I'm  getting the following error when attempting to  use Line3DSeriesDefinition (doesn't occur when using LineSeriesDefinition):
Error: Unhandled Error in Silverlight Application
Code: 4004   
Category: ManagedRuntimeError      
Message: System.NullReferenceException: Object reference not set to an instance of an object.
   at Telerik.Windows.Controls.Charting.ChartArea.ClearLogicalChildren()
   at Telerik.Windows.Controls.Charting.ChartArea.PopulateLogicalChildren()
   at Telerik.Windows.Controls.Charting.ChartArea.OnApplyTemplate()
   at System.Windows.FrameworkElement.OnApplyTemplate(IntPtr nativeTarget)    

It looks like I can't simply use the 3D series definition class instead of the regular series definition class.  The example shown here adds the CameraExtension (which I've also coded...getting the same error) but this is the only  major difference I can see (maybe something is being left out here):
http://demos.telerik.com/silverlight/#Chart/Gallery3D/Line

Is there a better (working) example that I can use that implements either the Line3DSeriesDefinition or the Bar3DSeriesDefinition classes?

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Nikolay
Telerik team
answered on 25 Jun 2010, 10:24 AM
Hi Brian Graves,

Please, find attached a sample application, which works as expected on our side with all 3D series definitions. If you continue encountering the same issue, we would kindly ask you to modify the example, so that the problem is reproducible for our developers to look at and provide a timely resolution.

Hope this helps.

Best wishes,
Nikolay
the Telerik team
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Brian Graves
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Nikolay
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