public void UpdateAuto(Auto modified, Auto original)
{
using (var context = new AutoReservationEntities())
{
try
{
context.Autos.Attach(original);
context.Autos.ApplyCurrentValues(modified);
context.SaveChanges();
}
catch (OptimisticConcurrencyException)
{
modified.EntityKey = original.EntityKey;
context.Refresh(RefreshMode.StoreWins, modified);
context.SaveChanges();
throw new LocalOptimisticConcurrencyException <Auto>(
"Konflikt beim Ändern eines Wertes der Klasse Auto")
{
Entity = modified
};
}
}
}
public void UpdateReservation(Reservation modified, Reservation original)
{
using (var context = new AutoReservationEntities())
{
try
{
context.Reservationen.Attach(original);
context.Reservationen.ApplyCurrentValues(modified);
context.SaveChanges();
}
catch (OptimisticConcurrencyException)
{
modified.EntityKey = original.EntityKey;
context.Refresh(RefreshMode.StoreWins, modified);
context.SaveChanges();
throw new LocalOptimisticConcurrencyException <Reservation>("Update Reservation: Concurrency-Fehler")
{
Entity = modified
};
}
}
}
