protected void Page_Load(object sender, EventArgs e) { if (Request.Params["id"] == null || Request.Params["id"].Trim() == "") { hasOrder = false; } else { DataModel dm=new DataModel(); int id = Convert.ToInt32(Request.Params["id"].Trim()); lo = dm.GetLabOrder(id); if (lo != null) { luser = dm.GetUser(lo.OrderUser); inos = dm.GetLabOrderInst(lo.OrderID); } else { hasOrder = false; } } }