How to get Reverse Of a number in C# ?

Reverse of a positive integer integer number in c# 

Program :

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Reverse

{

    class Program

    {

        static void Main(string[] args)

        {

            int num, rem, rev = 0;

            Console.WriteLine("//How to get Reverse of a number in c# ?");

            Console.WriteLine("Enter A number :");

            num = Convert.ToInt32(Console.ReadLine());

            if (num > 0)

            {

                for (int temp = num; temp != 0; temp /= 10)

                {

                    rem = temp % 10;

                    rev = rem + (rev * 10);

                }

                Console.WriteLine("The Reverse of " + num + " is :" + rev);

            }

            else

                Console.WriteLine("Enter A valid Number :\n");

            Console.ReadKey();

        } 

    }

}

Output :

  

//How to get Reverse of a number in c# ?

Enter A number :

12345

The Reverse of 12345 is :54321