private CollectorYearMonthDataService()
 {
     _daoManager       = ServiceConfig.GetInstance().DaoManager;
     _plantYearDataDao = _daoManager.GetDao(typeof(ICollectorYearMonthDataDao)) as ICollectorYearMonthDataDao;
 }
 private CollectorYearMonthDataService()
 {
     _daoManager = ServiceConfig.GetInstance().DaoManager;
     _plantYearDataDao = _daoManager.GetDao(typeof(ICollectorYearMonthDataDao)) as ICollectorYearMonthDataDao;
 }