I'm afraid I'm missing a point here.
Basically the error you described happens when the RegisterScriptControl
method of an IScriptControl
has not been called. Can you please, give us some more directions about the project/page setup (e.g. control structure, RadMenu
A simple project/website, demonstrating the problem would help us identify the problem quicker. If you can prepare one, please, open a formal support ticket to be able to attach it.
the Telerik team