/// <summary>
 /// 用于向 OrderDetails EntitySet 添加新对象的方法,已弃用。请考虑改用关联的 ObjectSet&lt;T&gt; 属性的 .Add 方法。
 /// </summary>
 public void AddToOrderDetails(OrderDetail orderDetail)
 {
     base.AddObject("OrderDetails", orderDetail);
 }
 /// <summary>
 /// 创建新的 OrderDetail 对象。
 /// </summary>
 /// <param name="orderID">OrderID 属性的初始值。</param>
 /// <param name="productID">ProductID 属性的初始值。</param>
 /// <param name="unitPrice">UnitPrice 属性的初始值。</param>
 /// <param name="quantity">Quantity 属性的初始值。</param>
 /// <param name="discount">Discount 属性的初始值。</param>
 public static OrderDetail CreateOrderDetail(global::System.Int32 orderID, global::System.Int32 productID, global::System.Decimal unitPrice, global::System.Int16 quantity, global::System.Single discount)
 {
     OrderDetail orderDetail = new OrderDetail();
     orderDetail.OrderID = orderID;
     orderDetail.ProductID = productID;
     orderDetail.UnitPrice = unitPrice;
     orderDetail.Quantity = quantity;
     orderDetail.Discount = discount;
     return orderDetail;
 }