private void _DataBind() { SYS_Session session = (SYS_Session)Session["SYS_Session"]; if (cmbMaTram.Value != null) { DataTable dt = db.SELECT_TTTT_DN_KEHOACH(session.User.ma_dviqlyDN, cmbMaTram.Value + ""); DataRow[] dr = dt.Select("THANG=" + cmbThang.Value + " AND NAM =" + cmbNam.Value); if (dr.Length > 0) { txtSanLuongKH.Text = dr[0]["KEHOACH"] + ""; } else { txtSanLuongKH.Text = "0"; } grdTinhDetal.DataSource = dt; grdTinhDetal.DataBind(); } }