public string generateEMail()//15+
        {
            string res;

            PersonName = PersonName.Replace(' ', '.');
            if (PersonName.Length >= 20)
            {
                res = PersonName.Substring(0, 20);
            }
            else
            {
                res = PersonName.Substring(0, PersonName.Length);
            }
            res += "@domain.ua";
            return(res);
        }