>>
>>No. I have no experience with ClientID at all. How is it different, with regards to this problem of not finding the control?
>>
>>Somehow this thread got split into two sections. I suppose that happens.
>>
>
>ASP.NET generates two different ID's for controls - the UniqueID and the ClientID. ClientID is meant for client-side access so it's more commonly used when Javascript code in the page needs to access the controls. UniqueID is meant for server-side access (so I'm surprised that's not working).
>
>

>ASPxRoundPanel1.FindControl("HiddenField1").ClientID
>

I see. Well, yeah, you're right...the UniqueID should be working. Oh, well. Life is full of things that should be working! :)

Dana