protected void Page_Load(object sender, EventArgs e) { int mamon = int.Parse(Session["mamh"].ToString()); int malop = int.Parse(Session["tenlop"].ToString()); gridBangDiem.DataSource = gvDAL.GetXemDiemTheoMonHoc(malop, mamon); gridBangDiem.DataBind(); lblmonhoc.Text = malop.ToString(); }