public void AddOwner(Owner owner) { if (owner == null) { throw new ArgumentNullException(nameof(owner)); } _context.Owners.Add(owner); _context.SaveChanges(); }
public void AddDog(int ownerId, Dog dog) { if (ownerId == 0) { throw new ArgumentNullException(nameof(ownerId)); } if (dog == null) { throw new ArgumentNullException(nameof(dog)); } dog.OwnerId = ownerId; _context.Dogs.Add(dog); _context.SaveChanges(); }