public class DAO
{
    static void Main()
    {
        int year = 1997;
        FindAllCustomers(year, "Canada");
    }

    static void FindAllCustomers(int orderDate, string shipDestination)
    {
        using (NORTHWNDEntities db = new NORTHWNDEntities())
        {
            var orders = from order in db.Orders
                         where order.OrderDate.Value.Year == orderDate && order.ShipCountry == shipDestination
                         select order;

            foreach (var item in orders)
            {
                Console.WriteLine("Order made by: {0} with CustomerId: {1}", item.Customer.ContactName, item.Customer.CustomerID);
            }
        }
    }
}