Program for Check Leap Year or Not

Simplest way to calculate current year is a leap year or not..!!!

Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Int32 LeapYear = DateTime.Now.Year;

        if (DateTime.IsLeapYear(LeapYear))
        {
            Response.Write("Wow!! Current year is a Leap year!!!");
        }
        else
        {
            Response.Write("Ohh!! Current year is Not a leap year!!!");
        }
    }
}