You might wish to see what is happening under the hood, when your Xaja application is running. Two basic tricks could help you.
- Debugging of JavaScript generated from CustomControl is possible at least in Google Chrome browser. JS sources are shown there under "no domain" node
- To see client-server communication, you can override GetCommunicationListener method in Xaja.ashx.cs class. Method should return instance of class implementing ICommunicationListener interface. If output to standard debug trace is enough, use DebugCommunicationListener class: