Serialize a list of objects in CSharp

    /*  w w w .  j  av  a2s .co  m*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;


    class Program
    {
        static void Main(string[] args)
        {
            List<Product> products = new List<Product>();
            products.Add(new Product(1, "A", 10.0, "A."));
            products.Add(new Product(2, "B", 25.0, "B."));
            products.Add(new Product(4, "C", 12.0, "C."));
            IFormatter serializer = new BinaryFormatter();
            FileStream saveFile =new FileStream("Products.bin", FileMode.Create, FileAccess.Write);
            serializer.Serialize(saveFile, products);
            saveFile.Close();
            FileStream loadFile =new FileStream("Products.bin", FileMode.Open, FileAccess.Read);
            List<Product> savedProducts = serializer.Deserialize(loadFile) as List<Product>;
            loadFile.Close();
        }
    }
    [Serializable]
    public class Product
    {
        public long Id;
        public string Name;
        public double Price;

        [NonSerialized]
        string Notes;

        public Product(long id, string name, double price, string notes)
        {
            Id = id;
            Name = name;
            Price = price;
            Notes = notes;
        }

        public override string ToString()
        {
            return string.Format("{0}: {1} (${2:F2}) {3}", Id, Name, Price, Notes);
        }
    }