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