//How to count the occurrence of each character in a string?

​

//M: 1, y:1, n:1, a:2

​

​

using System;    

​

public class Program

​

{

    public static void Main()

    {

       string str="My name is Charu" ;

       CountOccurance(str);   

    }  

​

    public static void CountOccurance(String str)

    {

        // Add code here

    }

}