Sie arbeiten mit Graphen getrennter Entitäten. Hier ist der Dokumentationsabschnitt das könnte Sie interessieren.
Beispiel:
var existingCustomer = await loyalty.Customer
.Include(c => c.ContactInformation)
.Include(c => c.Address)
.Include(c => c.MarketingPreferences)
.Include(c => c.ContentTypePreferences)
.Include(c => c.ExternalCards)
.FirstOrDefault(c => c.McaId == customer.McaId);
if (existingCustomer == null)
{
// Customer does not exist, insert new one
loyalty.Add(customer);
}
else
{
// Customer exists, replace its property values
loyalty.Entry(existingCustomer).CurrentValues.SetValues(customer);
// Insert or update customer addresses
foreach (var address in customer.Address)
{
var existingAddress = existingCustomer.Address.FirstOrDefault(a => a.AddressId == address.AddressId);
if (existingAddress == null)
{
// Address does not exist, insert new one
existingCustomer.Address.Add(address);
}
else
{
// Address exists, replace its property values
loyalty.Entry(existingAddress).CurrentValues.SetValues(address);
}
}
// Remove addresses not present in the updated customer
foreach (var address in existingCustomer.Address)
{
if (!customer.Address.Any(a => a.AddressId == address.AddressId))
{
loyalty.Remove(address);
}
}
}
loyalty.SaveChanges();