using System;

//using System.Collections.Generic;

//using System.Linq;

public class Program

{

    public static void Main()

    {

        string s = "naveen,12345,ghvgvv,hgvgg,yfcych";

        string[] values = s.Split(',');

        //      or

        //List<string> lstString =  s.Split(',').ToList();

        //Console.WriteLine(values[0]);

        //Console.WriteLine(values[1]);

        //  or 

        //  Console.WriteLine(lstString[0]);

        //Console.WriteLine(lstString[1]);

        //for(int i = 0; i < values.Length; i++)

        //{

        //   Console.WriteLine(values[i].Trim());

        //}

        foreach(string str in values)

        {

            Console.WriteLine(str);

        }

    }

}

​