public static void deleteHangHoa(int mahang) { Hanghoa_DAO.XoaHangHoa(mahang); }
public static void updateHangHoa(Hanghoa hh) { Hanghoa_DAO.SuaHangJoa(hh); }
public static DataSet getHangHoa() { return(Hanghoa_DAO.getHangHoa()); }
public static void addHangHoa(Hanghoa hh) { Hanghoa_DAO.ThemHangHoa(hh); }
public static DataTable loadHangHoa() { return(Hanghoa_DAO.loadHanghoa()); }