How to Generates 10 Alphanumeric Random Codes in C#?

using System;
using System.Linq;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            var str = GenerateTenRandomAlphanumericCode();
        }

        public static string GenerateTenRandomAlphanumericCode()
        {
            string code = string.Empty;

            var chars = "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz1234567890";
            var random = new Random();
            var result = new string(
                Enumerable.Repeat(chars, 10)
                          .Select(s => s[random.Next(s.Length)])
                          .ToArray());
            code = result;
            return code;
        }
    }  
}