Mike Urquiola
5/1/2008 9:13:00 PM
Couldn't you put the business and DAL together and mark the DAL as internal?
Then only the business could create and use DAL objects.
"milop" <milop@slomins.com> wrote in message
news:%23%23ns%23v3qIHA.4912@TK2MSFTNGP03.phx.gbl...
> Hello.
>
> We have an app with UI, Business, and Data Tiers.
>
> How can we ensure that the DAL tier is accessed only from the BLL tier?
> The idea is to prevent direct access to the DAL from the UI (asp.net pages
> in our case).
>
> Thanks in advance,
>
> Mike
>