private void loadDanhMuc() { MTCSYT.SYS_Session session = (MTCSYT.SYS_Session)Session["SYS_Session"]; int ma_dviqly = int.Parse(session.User.ma_dviqly + ""); tlDonVi.DataSource = db.BC_GiaoNhanDaXacNhan(ma_dviqly, int.Parse(cmbThang.Value + ""), int.Parse(cmbNam.Value + "")).ToList(); tlDonVi.DataBind(); }