Thanks Natab!
I think I made a mistake, I used <asp

ostBackTrigger> instead of
<asp:AsyncPostBackTrigger>.
Regards,
Ryan
"Nathan Sokalski" <> wrote in message
news:...
> It may help if you post your code, it will help us find and help you fix
> your problem.
> --
> Nathan Sokalski
>
> http://www.nathansokalski.com/
>
> "Ryan Liu" <> wrote in message
> news:F0D7A8D4-3CD3-4993-A3F4-...
>>I have one server button on a UpdatePanel, which is used to update a data
>>graid in another UpdatePanel.
>>
>> Both UpdatePanels are conditional, and the bubtton has been set as the
>> trigger of the second UpdatePanel.
>>
>> But I still see full page refresh when the button is clicked.
>>
>> Then I add another update panel on page level, and it is on top of both
>> update panels.
>>
>> Again, I still see full page refresh.
>>
>> Is that the right way supposed to use UpdatePanel ?
>>
>> Thanks,
>> Ryan
>
>