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                        We're using Telerik for Silverlight 4 beta, version 2009.3.1426.1040.
When the user presses the tab key inside a contol (such as a textbox) in a row details expansion, an exception is thrown. "Object reference not set to an instance of an object."
                                When the user presses the tab key inside a contol (such as a textbox) in a row details expansion, an exception is thrown. "Object reference not set to an instance of an object."
