public void Update(Owners owner)
 {
     db.Entry(owner).State = System.Data.Entity.EntityState.Modified;
 }
 public void Update(RepairCars repairCar)
 {
     db.Entry(repairCar).State = System.Data.Entity.EntityState.Modified;
 }
 public void Update(Cars car)
 {
     db.Entry(car).State = System.Data.Entity.EntityState.Modified;
 }
 public void Update(Masters master)
 {
     db.Entry(master).State = System.Data.Entity.EntityState.Modified;
 }