CasperJS在选择器单击时不会触发AJAX

My CasperJS project scrapes a web page that sends an AJAX request upon a button click. But when I triggered the button click, nothing seems to be happening. I had this problem of not triggering a DIV button but now I have a doubt whether it blocks any AJAX requests that are made from the remote page. (Here is my previous question on this.)

The remote page has a form to be filled and a DIV button to click which sends an AJAX request that shows the result. But in here I cannot see any click event is triggered nor ajax request is sent in the debug mode with verbose on. I have seen a similar question here but I have no access to change the access rights or proxy configurations in remote location.

How can I get this done?