internet explorer - ExtJs page makes no response while using the second time - on IE9 only -

when extjs page opened in ie9 first time, works properly.

but when open same page second time don't response. can me.

ps getting error on ie9

this sounds have problems ids , ext.cache. please check panels, windows , on. dont use property id use itemid instead.

if use id in datasource check ids unique. otherwise become problems during rendering of gridpanel, treestore, combobox , on...