public Controller()
 {
     dbMan = new DBManager();
     DBCon = DBConnection.Instance();
 }
 public Controller()
 {
     dbMan = new DBManager();
 }
        private DBManager dbMan; // A Reference of type DBManager
                                 // (Initially NULL; NO DBManager Object is created yet)

        public Controller()
        {
            dbMan = new DBManager(); // Create the DBManager Object
        }