protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { string filename = Server.MapPath("~/config/catclient.xml"); Cat.Initialize(filename); ITransaction t = Cat.GetProducer().NewTransaction("URL", "demo.aspx"); IMessageTree tree = Cat.GetManager().ThreadLocalMessageTree; //创建传递的上下文信息 HeaderContext context = new HeaderContext(); context.AppName = ""; context.CorrelationState = tree.MessageId; context.RootID = tree.RootMessageId == null ? tree.MessageId : tree.RootMessageId; context.ParentID = Cat.GetManager().CreateMessageId(); context.Ip = ""; HeaderOperater.SetClientWcfHeader(context); Cat.GetProducer().LogEvent("URL", "Call", "0", "Call Start..."); Cat.GetProducer().LogEvent("RemoteCall", "PigeonRequest", "0", context.ParentID); IUserBll bll = WcfClient.GetProxy <IUserBll>(); IList <User> list = bll.FindAll(); Cat.GetProducer().LogEvent("URL", "Call", "0", "Call End..."); //注:上下文信息必须在创建后清除 HeaderOperater.ClearClientWcfHeader(); t.Status = "A"; t.Complete(); this.GridView1.DataSource = list; this.GridView1.DataBind(); } }