public FormQuanLyChuyenDi()
{
InitializeComponent();
chuyenDiDB = new ChuyenDiDB();
dtpNgayGio.Format = DateTimePickerFormat.Custom;
dtpNgayGio.CustomFormat = "dd/MM/yyyy hh:mm:ss";
}
public FormTraCuuChuyenDi()
{
InitializeComponent();
chuyenDiDB = new ChuyenDiDB();
dtpThoiGianDau.Format = DateTimePickerFormat.Custom;
dtpThoiGianDau.CustomFormat = "dd/MM/yyyy";
dtpThoiGianCuoi.Format = DateTimePickerFormat.Custom;
dtpThoiGianCuoi.CustomFormat = "dd/MM/yyyy";
}