public int CapNhat(Object obj) { HoaDon gv = (HoaDon)obj; return(1); }
public int Xoa(Object obj) { HoaDon gv = (HoaDon)obj; return(1); }
public int CapNhat(Object obj) { HoaDon gv = (HoaDon)obj; return(1); }
public int Xoa(Object obj) { HoaDon gv = (HoaDon)obj; return(1); }