//Reservation Update(Reservation modified, Reservation original)
public Reservation Update(Reservation modified, Reservation original)
{
using (var context = new AutoReservationEntities())
{
try
{
context.Reservationen.Attach(original);
context.Entry(original).CurrentValues.SetValues(modified);
return modified;
}
catch (DbUpdateConcurrencyException e)
{
HandleDbConcurrencyException<Reservation>(context, original);
return null;
}
}
}