public void Remove(FordonModel fordon)
 {
     this.Remove(fordon);
 }
 public void Edit(FordonModel fordon)
 {
     this.Entry(fordon).State = EntityState.Modified;
     this.SaveChanges();
 }
 public FordonModel Find(FordonModel fordon)
 {
     return Fordon.Find(fordon.Id);
 }
 public void Add(FordonModel fordon)
 {
     Fordon.Add(fordon);
     this.SaveChanges();
 }