public Hotel Get(int id) { _DEMOContext.ChangeTracker.LazyLoadingEnabled = false; var hotel = _DEMOContext.Hotel .SingleOrDefault(b => b.HotelId == id); if (hotel == null) { return(null); } //_DEMOContext.Entry(hotel) // .Collection(b => b.City) // .Load(); _DEMOContext.Entry(hotel) .Reference(b => b.City) .Load(); //Many use : Collection return(hotel); }
public City Get(int id) { _DEMOContext.ChangeTracker.LazyLoadingEnabled = false; var city = _DEMOContext.City .SingleOrDefault(b => b.CityId == id); if (city == null) { return(null); } //_DEMOContext.Entry(hotel) // .Collection(b => b.City) // .Load(); _DEMOContext.Entry(city) .Collection(b => b.Hotel) .Load(); //Many use : Collection return(city); }