public static void getUsers()
        {
            userList = new List <userPopulation>();
            configure  config = new configure();
            userHelper help   = new userHelper();

            if (!help.findFile(config.folder + "\\login.txt"))
            {
                return;
            }
            userList = new List <userPopulation>();
            using (StreamReader sr = new StreamReader(config.folder + "\\login.txt"))
            {
                string[] sentence = sr.ReadToEnd().Replace("\n", "|\r\n").Split('|');
                for (int i = 0; i < sentence.Length - 1; i++)
                {
                    string[] user = sentence[i].Split(',');
                    userList.Add(new userPopulation
                    {
                        userName    = user[0],
                        password    = user[1],
                        userType    = user[2],
                        firstName   = user[3],
                        lastName    = user[4],
                        dateofBirth = user[5]
                    }
                                 );
                }
            }
        }