public void SaveDatabaseParameters(int contactLimit, int groupLimit)
        {
            DBManager db = new DBManager();

            string saveData = "{";
            saveData += "'contact_limit':" + contactLimit + ",";
            saveData += "'group_limit':" + groupLimit;
            saveData += "}";
            SecurityManager secMng = new SecurityManager();
            saveData = secMng.EncryptText(saveData);

            db.SaveDatabaseParameters(saveData);


            ContactDB.MAX_CONTACT = contactLimit;
            GroupDB.MAX_GROUP = groupLimit;
        }