public void Delete(ParkingBuilding parkingBuilding)
 {
     db.ParkingBuildings.Remove(parkingBuilding);
     db.SaveChanges();
 }
 public void Update(int id, ParkingBuilding parkingBuilding)
 {
     db.Entry(parkingBuilding).State = EntityState.Modified;
     db.SaveChanges();
 }
 public void Add(ParkingBuilding ParkingBuilding)
 {
     db.ParkingBuildings.Add(ParkingBuilding);
     db.SaveChanges();
 }