Entity Framework Cascading Delete

Question

First of all, apologies if I\'m missing some basic stuff here but I\'m new to EF and still getting my head around setting up the DB code first....

I\'m having a

Answer 1

You need to make ActorID in your UseCase class as a nullable int. EF is throwing that error because it sees 2 foreign keys that are required in a single class. Having that would create multiple cascade paths--something that SQL Server is, unfortunately, ill-equipped to handle.

In any case, making Actor optional on your UseCase class will mean that the Actor won't be deleted when the UseCase is, which I believe is your intent.