// PUT api/default1/5
 public int Put(Person person)
 {
     Person personInDB = entity.People.First(p => p.ID == person.ID);
     entity.People.Remove(personInDB);
     entity.People.Add(person);
     return entity.SaveChanges();
 }
 public int Post(Person p)
 {
     entity.People.Add(p);
     return entity.SaveChanges();
 }