Get value of a web server control in a web user control from asppx page.

Hi,

My aspx page contains a web user control that have a Dropdownlist. In Page_Load event of aspx page, I would like to get the value of the Dropdownlist in web user control above, but I don't know how to do this. Could you please tell me how do I get the value of Dropdownlist in this case?

Thanks,

Trung Luu