public ActionResult Update(int id)
 {
     return this.Visit(Core.EnumUserRole.Admin, () =>
     {
         using (DbConn PubConn = DbConfig.CreateConn(Config.TaskConnectString))
         {
             PubConn.Open();
             tb_command_dal dal = new tb_command_dal();
             tb_command_model_Ex model = dal.GetOneCommand(PubConn, id);
             List<tb_node_model> Node = new tb_node_dal().GetListAll(PubConn);
             ViewBag.Node = Node;
             return View(model);
         }
     });
 }