simple solution for characters frequency in string object

Question

The task what I\'m trying to do is about showing up the frequency of every single characters from the string object, for the moment I\'ve done some part of code, just doesn\'t h

Answer 1

class Program
    {
        static void Main(string[] args)
        {

            char ch;
            Console.Write("Enter a string:");
            string str = Console.ReadLine();
            for (ch = 'A'; ch <= 'Z'; ch++)
            {
                int count = 0;
                for (int i = 0; i < str.Length; i++)
                {
                    if (ch==str[i] || str[i] == (ch + 32))
                    {
                        count++;
                    }
                }
                if (count > 0)
                {
                    Console.WriteLine("Char {0} having Freq of {1}", ch, count);
                }
            }
            Console.Read();
        }
    }