Random Aplhanumeric String Generator- C#

This function Returns Random Generate string ...

 private string RandomGenerator()
    {
        var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        var random = new Random();
        var result = new string(
            Enumerable.Repeat(chars, 8)
                      .Select(s => s[random.Next(s.Length)])
                      .ToArray());
        return result.ToString();
    }



Call This function:

Page_load(eve..)
{
string UserID=RandomGenerator( );
}