Could you please elaborate a bit more on the exact issue you are facing?
Us the problem related with missing controls styles after the Ajax request? if this is the case please send us a screenshot that presents the correct look of the controls before the request and the problematic look after it.
Also if the issue appear only in IE browser with version earlier than IE10, please make sure that you do not hit the IE 31 style sheet limitation described below:
Internet Explorer CSS limits