public void HienThiChiTietHoaDon(DataGridView dg, BindingNavigator bn)
{
BindingSource bs = new BindingSource();
bs.DataSource = data.LaydanhSachChiTietHoaDon();
dg.DataSource = bs;
bn.BindingSource = bs;
}
private void frmInHoaDon_Load(object sender, EventArgs e)
{
ChiTietHoaDonData chitietdata = new ChiTietHoaDonData();
TT_NHOM_QLKS.Report.HoaDon hoadon = new TT_NHOM_QLKS.Report.HoaDon();
hoadon.SetDataSource(chitietdata.LaydanhSachChiTietHoaDon());
crystalReportViewer1.ReportSource = hoadon;
}