private CustomersService() { _daoManager = ServiceConfig.GetInstance().DaoManager; _customerInfoDao = _daoManager.GetDao(typeof(ICustomerInfoDao)) as ICustomerInfoDao; _customerOrderDao = _daoManager.GetDao(typeof(ICustomerOrderDao)) as ICustomerOrderDao; _orderDao = _daoManager.GetDao(typeof(IOrderDao)) as IOrderDao; }