Jquery – $.getJSON returning cached data in IE8

asp.net-mvcgetjsoninternet-explorer-8jquery

I'm playing around with ASP.net MVC and JQuery at the moment. I've come across behavour which doesn't seem to make sense.

I'm calling JQuery's $.getJSON function to populate some div's. The event is triggered on the $(document).ready event. This works perfectly.

There is a small AJAX.BeginForm which adds another value to be used when populating the divs. It calls the remote function correctly and upon success calls the original javascript function to repopulate the divs.

Here is the weird part: In FireFox and Chrome – Everything works. BUT In IE8 (Beta) this second call to the populate Div script (which calls the $.getJSON function) gets cached data and does not ask the server!

Hope this question makes sense: In a nut shell – Why is $.getJSON getting cached data? And why is it only effecting IE8?

Best Answer

This is how it worked for me...

$.ajaxSetup({ cache: false });
$.getJSON("/MyQueryUrl",function(data,item) {
     // do stuff with callback data
     $.ajaxSetup({ cache: true });
   });
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