Entity Framework on delete cascade

Question

I have problem with deleting related rows in Entity Framework 4.1. I have tables with relations

Book 1<--->* BookFormats

I have set the on delete cascade

Answer 1

You can use RemoveRange :

m.db.BookFormats.RemoveRange(originalBook.BookFormats);
m.db.SaveChanges();

But this is for EF 6.0