Here’s a very simple method of putting an overlay on the page when you are making an asynchronous call using $.ajax. As the page does not refresh, you need to alert your user that work is actually been done and that they cannot interact with the page until you have finished
The css:

.lightbox_bg {
      [...]

I previously wrote a post outlining a simpler method of making asynchronous calls with jQuery. It turns out that in practice that method was exactly that – too simple. It works fine when you only need one value back, but if you need to work with something a little more complex then try out my [...]

I am not a fan of the classic method of implementing ajax in .net – scriptmanagers and updatepanels. The load on the front end is pretty big (100kb+), especially considering local bandwidth restrictions and challenges. So I set out to find a better way as one does when one feels that something is not quite [...]