Hash Password

using System;
using System.Data;
using System.Linq;
using System.Web;
using System.Xml.Linq;
using System.Net.Mail;
using System.Text;
using System.Collections.Generic;
using System.IO;
using System.Web.Security;

namespace SilverLight
{
    public class Utility
    {
        #region HashPassword
        public static string HashPassword(int UserID, string Password)
        {
            string HashedPassword = "";

            string UserPasswordAttempt = String.Format("{0}{1}", UserID.ToString(), Password);

            HashedPassword = FormsAuthentication.HashPasswordForStoringInConfidFile(UserPasswordAttempt,
            System.Web.Configuration.FormsAuthenticationFormat.MD5.ToString());

            return HashPassword;
        }
        #endregion
    }