How to create random number in c#

How to create random number in c#

 public static string Random()
        {

            var chars = "0123986ABCDEF";
            var random = new Random();
            var result = new string(
            Enumerable.Repeat(chars, 5)
            .Select(s => s[random.Next(s.Length)])
            .ToArray());
            return result;
        }

2020-01-27