Raise an event from the first control to your page, then have the page call
a method on your second control.
You might also consider encapsulating all of this functionality into a
single control.
--
I hope this helps,
Steve C. Orr, MCSD
http://Steve.Orr.net
"Paul125" <paul125_nospam@nospam_ftml.net> wrote in message
news

...
> I am programming a web application in asp.net in C#. How can I change
> a second user control based on a change in the first user control. Eg
> in the first user control, a user can select the language, which then
> triggers a database query to change the language, but the second user
> control is not updated, and it should be. It is only updated the
> second time after the page_load... thanks for any input!