Hi Bonnie,

thanks for the guess! Your idea works, I tried this before I wrote.
But I wanted to really understand whats going on. Cathies tip made it here.

Marcus

>Hi Marcus,
>
>I don't know for sure, but I'm betting that the SqlDataReader closes the connection once it's done with it (I've not used DataReaders). Your best bet is to open the connection in your UpdateData() method and close it there when you're done with it, rather than opening the connection in the SetupConnection() method.
>
>~~Bonnie