CODE EXAMPLE FOR CSHARP

c# reverse a string

public string Reverse(string text)
{
    char[] charArray = text.ToCharArray();
    string reverse = String.Empty;
    for (int i = charArray.Length - 1; i > -1; i--)
    {
        reverse += charArray[i];
    }
    return reverse;
}

// or 

public static string Reverse( string s )
{
    char[] charArray = s.ToCharArray();
    Array.Reverse( charArray );
    return new string( charArray );
}