protected void Page_Load(object sender, EventArgs e) { string dateFrom = Request.Form["dateFrom"]; string dateTo = Request.Form["dateTo"]; string devName = Request.Form["devId"]; string strsql = null; convertDate(dateFrom); convertDate(dateTo); DataTable dt = null; DataTable dt2 = sql.ReturnTable("SELECT Dev_List.id,Dev_List.dev_name,Dev_List.dev_phase,Group_List.group_name FROM Dev_List,Group_List WHERE Dev_List.group_id=Group_List.id AND Dev_List.dev_name='" + devName + "'"); string dev_id = ""; if (null != dt2 && 0 < dt2.Rows.Count) { dev_id = dt2.Rows[0][0].ToString(); strsql = "select action_time,action_num,i_num,tem,hum from ActionMsg where action_time between #" + dateFrom + "# AND #" + dateTo + "# AND dev_id = " + dev_id + " ORDER BY ActionMsg.action_time ASC"; dt = sql.ReturnTable(strsql); } string json1 = CreateJsonParameters(dt); string json2 = CreateJsonParameters2(dt2); string json = "{\"data\":" + json1 + ",\"devinfo\":" + json2 + "}"; Response.ContentType = "application/json"; Response.Write(json); Response.Flush(); if (dt != null) { dt.Dispose(); } Response.End(); }