如何从refcursor在updatepanel中填充网格

I am using ASP.NET 2.0 and VS 2005. I need to populate a grid on an update panel from an Oracle refcursor after the user clicks a button. I have an example from another project, but it is pretty complicated. Is there an easy way to display the data in a grid in an updatepanel? We don't want the data to be displayed when the tab is first opened, just after the user clicks a button.I am using ASP.NET 2.0 and VS 2005. I need to p