尽管设置了'No Store'，但iPad缓存了AJAX响应

I have a page which does an AJAX request to get data, which is then modified by the user. When using the iPad, if the user makes a change, then goes away from the page, then comes back - the AJAX requests are not re-run - meaning the old data is loaded (presumably from the iPad's browser cache).I have a page which does an AJAX request to get