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You are right, no optimistic concurrency verification is performed when a tracked object is deleted from the context. This is expected behavior for DataAccess.
If you want this check to be performed in your case you could get the object from the context by Id and check explicitly if RV value in the database is equal to the RV value from the FormCollection object.
OpenAccess ORM is now Telerik Data Access
. For more information on the new names, please, check out the Telerik Product Map