public static void AddOrderDetails(List<Product> products, Order o)
{
try
{
using (TransactionScope ts = new TransactionScope())
{
foreach (Product p in products)
{
Order_Detail od = new Order_Detail();
od.Order = o;
od.Product = p;
od.Quantity = 1;
}
db.SaveChanges();
ts.Complete();
}
}
catch (TransactionAbortedException ex)
{
Console.WriteLine("TransactionAbortedException Message: {0}", ex.Message);
}
catch (ApplicationException ex)
{
Console.WriteLine("ApplicationException Message: {0}", ex.Message);
}
}
static void Main(string[] args)
{
//Create a method that places a new order in the Northwind database.
// The order should contain several order items.
// Use transaction to ensure the data consistency.
Product p1 = new Product();
p1.ProductName = "Tesla";
p1.UnitPrice = 20.20M;
DAO.db.Products.AddObject(p1);
Product p2 = new Product();
p2.ProductName = "Kashon";
p2.UnitPrice = 14.20M;
DAO.db.Products.AddObject(p2);
List<Product> products = new List<Product>();
products.Add(p1);
products.Add(p2);
Order order = new Order();
order.ShipCountry = "Bulgaria";
order.CustomerID = "ALFKI";
DAO.db.Orders.AddObject(order);
DAO.db.SaveChanges();
DAO.AddOrderDetails(products, order);
}
/// <summary>
/// Deprecated Method for adding a new object to the Orders EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToOrders(Order order)
{
base.AddObject("Orders", order);
}
/// <summary>
/// Create a new Order object.
/// </summary>
/// <param name="orderID">Initial value of the OrderID property.</param>
public static Order CreateOrder(global::System.Int32 orderID)
{
Order order = new Order();
order.OrderID = orderID;
return order;
}
