Function to reverse a string in C#

C# Code

using System;  
  
namespace reverseString  
{  
    class Program  
    {  
        static void Main(string[] args)  
        {  
            string strng = "", reverse = "";   
            int Length = 0;  
            Console.WriteLine("Please Enter a Word");  
            strng = Console.ReadLine();  
            Length = strng.Length - 1;  
            while(Length>=0)  
            {  
                reverse = reverse + strng[Length];  
                Length--;  
            }  
            Console.WriteLine("Reversed word is {0}",reverse);  
            Console.ReadLine();  
        }  
    }  
}