While it is true that it is not possible to add Telerik Data Access model directly in to your WebSite project, you could still consume such a model defined in a separate project, without
the need to convert your WebSite to WebApplication. To do this you need to add a reference to the project containing the model and the following assemblies:
You can add a project reference to your Telerik Data Access model with the following described in this MSDN article.
I hope this helps. In case you have any more questions feel free to post in our forums again.
OpenAccess ORM is now Telerik Data Access
. For more information on the new names, please, check out the Telerik Product Map