当我通过 WCF 从 ASP.NET MVC 检索所有订单及其 OrderDetails 时,它会引发错误。直到服务它工作正常,只有在这种情况下 MVC 调用停止服务时,它才会抛出错误:
基础连接已关闭:连接意外关闭。
我没有使用延迟加载
我想使用相同的 POCO 类,不想在 WCF 中单独创建 DataContract。
我的代码:
public class HomeController : Controller
{
public ActionResult Index()
{
ServiceReference1.Service1Client service = new ServiceReference1.Service1Client();
var allOrders = service.GetAllOrders();
service.Abort();
return View();
}
}
// WCF Service Method
public List<Order> GetAllOrders()
{
List<Order> orders = null;
using (NorthwindEntities context = new NorthwindEntities())
{
orders = context.Set<Order>().Include("Order_Details").AsEnumerable().ToList();
}
return orders;
}
public class Order
{
public Order()
{
this.Order_Details = new HashSet<Order_Detail>();
}
public virtual ICollection<Order_Detail> Order_Details { get; set; }
}
public class Order_Detail
{
public int OrderID { get; set; }
public int ProductID { get; set; }
public decimal UnitPrice { get; set; }
public short Quantity { get; set; }
public float Discount { get; set; }
}