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stefanHauck
stefanHauck
Viewer Problem Posted: Jul 30, 2010
 

Hi,

I use the viewer inside a tab control and get during design time very often the following error:


InnerException: reference not set to an instance of an object

NullReferenceException: reference not set to an instance of an object


StackTrace

at MS.Internal.XcpImports.MethodEx(InPtr ptr, String name, CValue[] cvDate)

at MS.Internal.XcpImports.MethodEx(DependencyObject obj, String name)

at MS.Internal.XcpImports.FrameworkElement_ApplyTemplate(FramerworkElement frameworkElement)

at System.Windows.Controls.Control.ApplyTemplate()


After I change something in the code and switch bacl to design view, it mostly work until I close and reopen the page again.

What can I check to make it working?


Stefan