You may want to try declaring 
public aspButton Button
then
Control.Add or LoadControl may work for you. A section on dynamically 
loading controls is in ASP.Net Unleashed, Stephen Walther.

> Hi,
> I am trying to dynamically create a series of buttons at run-time 
> (preferrably within a custom ASP.NET server control), and setup an 
> eventhandler to respond to any one of these buttons being clicked.  
These 
> buttons will actually represent diary text entries which have been 
loaded 
> from a database, and clicking on an entry will allow the user to edit 
it. 
> 
> I have been experimenting using the ASP:Literal control, which allows 
you 
> to dynamically alter HTML code from the server side.  But, my problem is 
> after I have created a dynamic link (button) to a diary entry eg:
> 
> .ASPX file:
> <asp:Literal Id="TestLiteral" RunAt="server" />
> 
> .cs (code-behind file):
> public Literal   TestLiteral    
> 
> TestLiteral.Text ="<asp:Button Id='TestEntry1' Text ='12pm Team Meeting' 
> Runat='Server' OnClick='HandleEdit'/>"
> 
> public void HandleEdit( Object Source, EventArgs E )
> {
>   /* process edit */
> }
> 
> that this event does not fire as I can't dynamically create a server side
> variable to represent the button.  Can anyone point me in the right 
> direction to creating some controls dynamically, which can respond to 
> events from the client.  
> 
> Many thanks,
> Richard.