public ActionResult AjaxAddOrder(int customerId)
        {
            if (ModelState.IsValid)
            {
                var context = new SampleEntities();
                var customer = context.Customers.Single(c => c.ID == customerId);
                var order = new Order();

                try
                {
                    UpdateModel(order);
                    customer.Orders.Add(order);
                    context.SaveChanges();
                }
                catch (Exception e)
                {
                    Response.StatusCode = 500;
                    Response.AppendHeader("message",
                                          "There was an issue adding order to customer \"" + customer.FirstName + " " + customer.LastName +
                                          "\". Please contact tech support with this message: " + Utility.GetInnermostException(e).Message);
                }
            }

            return View(new GridModel(GetOrders(customerId)));
        }
 /// <summary>
 /// Create a new Order object.
 /// </summary>
 /// <param name="id">Initial value of the ID property.</param>
 /// <param name="customerID">Initial value of the CustomerID property.</param>
 /// <param name="orderChannelID">Initial value of the OrderChannelID property.</param>
 public static Order CreateOrder(global::System.Int32 id, global::System.Int32 customerID, global::System.Int32 orderChannelID)
 {
     Order order = new Order();
     order.ID = id;
     order.CustomerID = customerID;
     order.OrderChannelID = orderChannelID;
     return order;
 }
 /// <summary>
 /// Deprecated Method for adding a new object to the Orders EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToOrders(Order order)
 {
     base.AddObject("Orders", order);
 }