AutoCompleteExtender reset the textbox to empty if the text userentered is no in the list.

[rockdale]

Hi, all:

I have a question with AutoCompleteExtender. is there a way to alert
user and reset the textbox to empty if the user typed something that
not in the autocomplete list?

like:

I have Apple, Orange, Banana in my database and they will show on the
autocomplete list. But if user typed Kiwi fruit which is not in my
database then I want alert the user of this and at the same time set
the textbox back to blank.


thanks
-rockdale