Raising a Modal Popup and Retrieving Additional Information from Database

Dear All
I have a list of events that have been retrieved from a database a bit like this:
Easter St Patrick's Day Christmas Independence Day ... I would like to make them links and when you click on the link it raises a modal popup and displays a bit more information from the database about the event.
So far, I've set up the ModalPopupExtender like this on my page:
<asp:Panel ID="EventPopup" runat="server" Width="500px" Style="display: none"> <asp:UpdatePanel ID="EventUP" runat="server" UpdateMode="Conditional"> <ContentTemplate> <asp:Label ID="EventDescription" runat="server" BackColor="lightblue" Width="95%" /> </ContentTemplate> </asp:UpdatePanel> <asp:Button I ...