private void CRHoaDonNhanVien_Load(object sender, EventArgs e)
{
ReportDocument rp = new ReportDocument();
rp.Load(@"C:\Users\Ron\Desktop\Tốt Nghiệp\CHTapHoa\CHTapHoa\Reports\HoaDonNhanVien.rpt");
HoaDonXuatBUS _hdxBus = new HoaDonXuatBUS();
List <HoaDonXuatDTO> lst = new List <HoaDonXuatDTO>();
List <HoaDonXuatDTO> lshdxdto = _hdxBus.LayHDTheoMaNhanVien(maNV);
rp.SetDataSource(lshdxdto);
crystalReportViewer1.ReportSource = rp;
this.crystalReportViewer1.Show();
this.crystalReportViewer1.RefreshReport();
}