Re: onChange event fired twice

Ensure that the handler is not added twice accidentally.

It's always once otherwise :)

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Happy Hacking,
Gaurav Vaish
http://www.mastergaurav.com

On Nov 28, 7:08 pm, Leung <leung1_2...@yahoo.com> wrote:
> Hi,
>
> I have a private inner class that implements ChangeHandler. This ChangeHander is applied to the listbox. Each click on the listbox will create another listbox and added to the container. The onChange event is fired twice for one click on the list box.
>
> Let say, I have 2 list box already added to the container. I expect only one onChange is triggered when I click the last listbox. But, now, twice is fired.
>
> How does that happen?
> How can I troubleshoot this problem?
>
> Thanks

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