Analysis and solutions to the reasons why $.getJSON fails under IE_jquery

Copy code The code is as follows:

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

Cause: getJson will use the browser cache by default under IE, so the data will not be displayed
Solution: Let it not use the cache

There are more solutions here
http://stackoverflow.com/questions/264216/getjson-returning-cached-data-in-ie8