public static bool RemoveCarBrand(int idCarBrand) { MARKI carBrand = new MARKI() { idMarki = idCarBrand }; using (var entities = new DBEntities()) { try { entities.MARKI.Attach(carBrand); entities.MARKI.Remove(carBrand); entities.SaveChanges(); } catch (Exception) { if (!entities.MARKI.Any(i => i.idMarki == idCarBrand)) { return(false); } } } return(true); }
public static int AddCarBrand(MARKI newCarBrand) { using (var entities = new DBEntities()) { entities.MARKI.Add(newCarBrand); entities.SaveChanges(); return(newCarBrand.idMarki); } return(-1); }