List Sort using anonymous delegate

來源:互聯網
上載者:User
Code
public class Product : IComparable<Product>
{
    private int id;
    private string prodName;
    private decimal price;

    public static Comparison<Product> PriceComparison = delegate(Product p1, Product p2)
                                                        {
                                                            return p1.price.CompareTo(p2.price);
                                                        };

    public static Comparison<Product> IDComparison = delegate(Product p1, Product p2)
                                                     {
                                                         return p1.id.CompareTo(p2.id);
                                                     };

    public int ProductID
    {
        get { return id; }
        set { id = value; }
    }

    public string ProductName
    {
        get { return prodName; }
        set { prodName = value; }
    }

    public decimal UnitPrice
    {
        get { return price; }
        set { price = value; }
    }

    public Product(int id, string prodName, decimal price)
    {
        this.id = id;
        this.prodName = prodName;
        this.price = price;
    }

    #region IComparable<Product> Members

    public int CompareTo(Product other)
    {
        return ProductName.CompareTo(other.ProductName);
    }

    #endregion

    public override string ToString()
    {
        return string.Format("Id: {0} Name: {1} Price: {2}", id, prodName, price);
    }
}

List<Product> products = new List<Product>();

products.Sort(delegate(Product p1, Product p2)
              {
                  return p1.ProductName.CompareTo(p2.ProductName);
              });

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