Palindrome en c#

codigo del programa;

static void Main(string[] args)

        {

            string pal1 = "", pal2 = "";

            string le = "";

            int i = 0, tl = 0;

            Console.Write("ingtese la palabra :");

            pal1 = Console.ReadLine();

            tl = pal1.Length;

            for (i = tl - 1; i >= 0; i--)

            {

                le = pal1.Substring(i, 1);

                pal2 = pal2 + le;

            }

          

            Console.Write("\npalabra invertida es :" + pal2);

           

            if (pal1.Equals(pal2))

            {

                Console.WriteLine("\n\ncomo al invertirlas son iguales, espalindrome");

            }

            else

            {

                Console.WriteLine(" \n no es palindrome");

            }

            Console.ReadKey();

        }