Grid refresh automatically and problem with header combo and input

Hi Alex,

I used your example Realtime updates to update each 2 seconds an extended grid with result of AJAX request. That's work fine, but I added input and combo in the header to change parameters of the request. In FireFox I have no problem, but in Internet Explorer, popups of combo are hidden and text written in input freeze after a refresh.

Have an idea to resolve this problem? Is it not possible to refresh only the content of the grid and not refresh headers?

Thanks for your helpful.