This definitely isn't right; there's a 600-pixel tall image in the pane. What's going on?
Which version of RadControls and .NET Framework are used in the application?
Under which browser and its version the problem occurs?
Could you please provide sample runnable project that reproduces the problem so we can investigate it further?
For your convenience I have attached my test project. Please modify it to a point where the problem occurs, open a support ticket and send it back - we will check it right away.
All the best,
the Telerik team
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