After the first :
System.Web.HttpBrowserCapabilities vBrowser = Request.Browser;
if (vBrowser.Type == "IE10" && vBrowser.MajorVersion > 9)
Got this from another forum and could not believe my eyes it worked.
Also note if you re-render the page with Page_Init, must it not be loaded here, only when the Only on your reports Load button for example..
Code block added[/edit]