Write a program to reverse a string in C#.NET

Question

using System;

namespace Learn
{
    class Program
    {
        static void Main(string[] args)
        {
            string Str, Revstr = ""; 
            int Length;

            Console.Write("Enter A String : ");
            Str = Console.ReadLine();

            Length = Str.Length - 1;
            
            while (Length >= 0)
            {

                Revstr = Revstr + Str[Length];
                Length--;

            }

            Console.WriteLine("Reverse  String  Is  {0}", Revstr);

            Console.ReadLine();

        }
    }
}

 

OUTPUT
-------------
Enter A String : HELLO
Reverse  String  Is  OLLEH