i try this code.....
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication8
{
class Program
{
static void Main(string[] args)
{
string n = "tokonaA#*!";
Console.WriteLine("{0}",n);
int no=n.Length;
int c = 0;
char[] let = n.ToCharArray();
for (int j = no - 1; j >= 0; j--)
{
if (!char.IsLetter(let[j]))
{
Console.Write(let[j]);
}
else if(char.IsLetter(let[j]))
{
Console.Write(let[j]);
}
}
Console.Write("{0}",c);
Console.ReadLine();
}
}
}
but m not get the correct o/p..