public string SendClientDailyEmail()
        {
            if (string.IsNullOrEmpty(_currentClient))
                return string.Empty;

            using (DB db = new DB(DBHelper.GetConnectionString(_currentClient)))
            {
                ClientEmail cEmail = (from o in db.ClientEmails
                                      where o.Client == _currentClient
                                      select o).FirstOrDefault();

                if (cEmail == null)
                {
                    cEmail = new ClientEmail {Client = _currentClient, SendDailyDigest = true};

                    db.AddToClientEmails(cEmail);

                    return (db.SaveChanges() > 0).ToString();
                }

                cEmail.SendDailyDigest = true;
                return (db.SaveChanges() > 0).ToString();
            }
        }