Check out example codes for "c# reverse a string for loop". It will help you in understanding the concepts better.

Code Example 1

---------------------------------------------------Option 1
foreach (int v in values.Select(x => x).Reverse())
{
      Console.Write(v + " ");
}
---------------------------------------------------Option 2
       public static void Main(string[] args)
        {
            Console.Write( Reverse("ABcdefgH") );
        }

		public static string Reverse(string s)
        {
            string result = String.Empty;
            char[] cArr = s.ToCharArray();
            int end = cArr.Length - 1;

            for (int i = end; i >= 0; i--)
            {
                result += cArr[i];
            }
            return result;
        }

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