Program of palindrome in c#

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication11
{
class Program
{ static void Main(string[] args) {
string str=string .Empty ;
Console.WriteLine("Enter a String name");
string s = Console.ReadLine();
int i = s.Length;
//we can get the Length of string by using Length Property



for (int j=i -1; j >= 0; j--)
{
str = str + s[j ];
}
if (str == s)
{

Console.WriteLine(s + " is palindrome");
}
else
{
Console.WriteLine(s + " is not a palindeome"); }

Console.WriteLine(str);

Console.Read();


}
}
}