private PackageDal() { conn = new BaseDal(); }
private LogsDal() { conn = new BaseDal(); }
private ReportDal() { conn = new BaseDal(); }
private ItemDal() { conn = new BaseDal(); }
private ProductDal() { conn = new BaseDal(); }
private StockDal() { conn = new BaseDal(); }
private TransactionDal() { conn = new BaseDal(); }