vrusha1512, You may want to check out this setting in AutoComplete -- http://developer.yahoo.com/yui/autocomplete/index.html#iframe -- and to take a look at
I have datatable component below the autocomplete.When container opens up it works fine in Mozilla but in IE, some part of autocomplete container is populating
... Wow, sounds exciting. Is there some code we can look at? Are you using the MenuNav for the list part of the widget? We (Launchpad.net) used it to develop