How to check the current year is leap year or not using ASP.NET

Here I am going to explain you how to check current year is leap year or not using the method IsLeapYear. It will be usefull when you have to do some kind of validation your code based on the year.

This is one of the common question we see in .NET forum, people go for SQL query or devide the year by zero and all to find the leap year. But Microsoft has got an inbuilt method to find out this.

IsLeapYear method takes one argument of integer type so you need to pass the year to check whether it is leap year or not.

Check below lines of code,

         protected void Page_Load(object sender, EventArgs e)
        {
            Int32 DtYear = DateTime.Now.Year;

            if (DateTime.IsLeapYear(DtYear))
            {
                Response.Write("This year is a Leap year!!!");
            }
            else
            {
                Response.Write("This year is Not a leap year!!!");
            }

        }

Method 2 without using  IsLeapYear,

            int year = 2012;
            if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
            {
                Response.Write("Yes this is a Leap Year!!!");

            }
            else
            {
                Response.Write("No, Year is Not a Leap Year!!!");
            }