protected void EditPurchaseOrder(PurchaseOrder order)
{
order.Title += "_update";
order.Customer = Customer.Create(10);
foreach (var item in order.PurchaseItems)
{
item.Number *= 10;
item.Product = Product.Create(10);
}
var newItem = PurchaseItem.Create(order.GetNewItemNo());
var firstItem = order.PurchaseItems.First();
newItem.Number = firstItem.Number;
newItem.Product = firstItem.Product;
order.AddItem(newItem);
order.RemoveItem(firstItem);
}
