private void btnprinter_Click(object sender, EventArgs e)
{
if (gridControl1.DataSource != null)
{
using (frmPrint frm = new frmPrint())
{
rpThongTin rp = ThongTinDAO.Instance.getThongTinNamHoc(maHKy);
frm.printDHB(tenKhoa, rp, DiemMonHocDAO.Instance.GetListHBSV(maHKy, maKhoa));
frm.ShowDialog();
}
}
}
