private string GenerateRandomPassword()
        {
            byte[] buffer = new byte[5];
            Random rdm = new Random();
            rdm.NextBytes(buffer);
            return BitConverter.ToString(buffer).Replace("-","").ToLower();
        }

        private string GenerateRandomEmail()
        {
            IList<string> hosts = new List<string> { "gmail.com", "yahoo.com", "live.ca", "live.co.uk", "hotmail.com", "icloud.com" };
            byte[] buffer = new byte[5];
            Random rdm = new Random();
            rdm.NextBytes(buffer);
            string substr = BitConverter.ToString(buffer).Replace("-", "").ToLower();
            return string.Format("{0}@{1}",substr, hosts[rdm.Next(0, hosts.Count)]);
        }