For instance, consider a Check Box control; examine the class disassembly in . The interception of the form's submission, then, allows ASP.
NET AJAX to be injected into the page nonintrusively, helping to avoid any potential breaking changes that might occur by utilizing a possibly-imprecise string replacement.
Now, click on the Update Both Panels button and examine the results from the server.
The results are very similar - both Update Panels receive new HTML from the server.
As with the previous callback, additional page state is sent.