WHY SHOULD WE OVERRIDE TOSTRING METHOD

WHY SHOULD WE OVERRIDE TOSTRING METHOD

1. What is ToString() Method.

2. Why should we override it ?

using System;

using System.Reflection;

namespace ConsoleApplication4

{

    public class MainClass

    {

        public static void Main()

        {

            int Number = 10;

            Console.WriteLine(Number.ToString());

            Console.ReadLine();

            Customer C1 = new Customer();

            C1.FirstName = "Malla";

            C1.LastName = "Gurram";

            //Console.WriteLine(C1.ToString());   

            Console.WriteLine(Convert.ToString(C1));

            Console.ReadLine();

        }

    }

    public class Customer

    {

        public string FirstName { get; set; }

        public string LastName { get; set; }

        public override string ToString()

        {

            return this.LastName + ", " + this.FirstName;

        }

    }

}