public bool UpdateHangHoa(HANGHOA hh) { return(dalHH.UpdateHangHoa(hh)); }
public bool DeleteHangHoa(HANGHOA hh) { return(dalHH.DeleteHangHoa(hh)); }
public bool InsertHangHoa(HANGHOA hh) { return(dalHH.InsertHangHoa(hh)); }