static void Main(string[] args)
{
Order o = new Order();
var orders = Helper.makeOrders();
var someOrder = from oi in orders
select new
{
OrderNo = oi.OrderId,
OrderDate = oi.OrderDate,
ItemsForShipping = oi.OrderItems.Sum(i => i.Quantity),
OrderPrice = oi.OrderItems.Sum(i => i.Quantity*i.Price)
};
foreach (var i in someOrder)
{
Console.WriteLine(i);
}
Console.ReadKey();
}
public static List<Order> makeOrders()
{
List<Order> Orders = new List<Order>();
Order or1 = new Order
{
OrderId = 1000,
CustomerName = "Abrek Abreksen",
OrderDate = DateTime.Parse("13/08/2013")
};
or1.OrderItems.Add(new OrderItem
{
OrderItemId = 1,
ProductName = "Appelsin",
Price = 2.25m,
Quantity = 4,
});
or1.OrderItems.Add(new OrderItem
{
OrderItemId = 2,
ProductName = "Banan",
Price = 1.95m,
Quantity = 6
});
or1.OrderItems.Add(new OrderItem
{
OrderItemId = 3,
ProductName = "Grape",
Price = 4.00m,
Quantity = 2
});
Orders.Add(or1);
Order or2 = new Order
{
OrderId = 1001,
CustomerName = "Morten Mortensen",
OrderDate = DateTime.Parse("12/08/2013")
};
or2.OrderItems.Add(new OrderItem
{
OrderItemId = 4,
ProductName = "Guldbarre",
Price = 8.00m,
Quantity = 10
});
or2.OrderItems.Add(new OrderItem
{
OrderItemId = 5,
ProductName = "Sneakers",
Price = 13.00m,
Quantity = 3
});
or2.OrderItems.Add(new OrderItem
{
OrderItemId = 6,
ProductName = "Mars Bar",
Price = 12.00m,
Quantity = 5
});
Orders.Add(or2);
Order or3 = new Order
{
OrderId = 1002,
CustomerName = "Peter PeterMedTsen",
OrderDate = DateTime.Parse("14/08/2013")
};
or3.OrderItems.Add(new OrderItem
{
OrderItemId = 7,
ProductName = "Mel",
Price = 17.50m,
Quantity = 1
});
or3.OrderItems.Add(new OrderItem
{
OrderItemId = 8,
ProductName = "Sukker",
Price = 20.95m,
Quantity = 2
});
or3.OrderItems.Add(new OrderItem
{
OrderItemId = 9,
ProductName = "Gryn",
Price = 14.75m,
Quantity = 1
});
Orders.Add(or3);
return Orders;
}