private void databind() { #region ErrorMsgLabel.Text = ""; string TOTAL_DIS_QTY = ""; string SessionIDName = string.Format("{0}", PAGE_DT_01); PURModel.MaintainPurchaseDeliveryGoods BCO = new PURModel.MaintainPurchaseDeliveryGoods(ConnectionDB); ParameterList.Clear(); ParameterList.Add(this.SLP_ACCEPT_DATE.Text); ParameterList.Add(this.SLP_ITEM.Text); ParameterList.Add(this.SLP_PERIOD.Text); DataTable Dt = BCO.QueryAloItemNum(ParameterList, out TOTAL_DIS_QTY); LabelQueryRecordCount.Text = "合計:" + TOTAL_DIS_QTY; GridView1.DataSource = Dt; Session[SessionIDName] = Dt; GridView1.DataBind(); if (Dt == null || (Dt != null && Dt.Rows.Count <= 0)) { ErrorMsgLabel.Text = "查無資料"; //ScriptManager.RegisterStartupScript(UpdatePanel1, this.GetType(), "ClientScript", "alert('查無資料');", true); } #endregion }