private void load_DsHD_From_To(object sender, EventArgs e)
{
HoaDonBus hdBus = new HoaDonBus();
tbl_DsHd.DataSource = hdBus.DsHoaDonFromTo(dtp_from.Value, dtp_to.Value);
tbl_DsHd.Refresh();
}
public void loadhdFromBCDS(DateTime date)
{
dtp_from.Value = date;
dtp_to.Value = date;
tbl_DsHd.DataSource = hdbus2.DsHoaDonFromTo(date);
tbl_DsHd.Refresh();
}