public void UpdateOrder(Order order)
{
using (var context = new GiaikhatNgocMaiEntities())
{
var dbItemList = context.OrderDetails.Where(i => i.OrderId == order.Id).OrderBy(i => i.Id);
var newItemList = order.OrderDetails.OrderBy(i => i.Id).ToList();
foreach (var dt in dbItemList)
{
var existedItem = newItemList.SingleOrDefault(i => i.Id == dt.Id);
if (existedItem == null)
{
context.Entry(dt).State = System.Data.Entity.EntityState.Deleted;
continue;
}
context.Entry(dt).State = System.Data.Entity.EntityState.Modified;
newItemList.Remove(existedItem);
}
newItemList.Select(i => context.Entry(i).State = System.Data.Entity.EntityState.Added);
context.Entry(order).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
}
public string CreateOrder(Order order)
{
using (var context = new GiaikhatNgocMaiEntities())
{
if (order.OrderDetails.Count <= 0) throw new Exception();
context.Orders.Add(order);
context.SaveChanges();
context.Entry(order).Reload();
return order.OrderNumber;
}
}