static async Task UpdateEntityLoadedInDifferentContext()
{
using (var context = new PersistenceContext())
{
var appleCard = await FindGiftCardById(Guid.Parse(AppleCardId));
appleCard.SetProviderName("Apple Store Gift Card");
context.Attach(appleCard);
context.Entry(appleCard.ExpiryDate).State = EntityState.Detached;
appleCard.SetExpirationDate(ExpirationDate.Create(DateTime.UtcNow.AddMonths(2)).Value);
context.Entry(appleCard.ExpiryDate).State = EntityState.Modified;
context.Entry(appleCard).State = EntityState.Modified;
await context.SaveChanges();
}
}