sort of. You can register an exteneded stored procedure, which will be a DLL, however, it will not be in the context of the trigger. It will be part of the transaction, but it will not have acceess to teh inserted and deleted tables.
what are you trying to achieve (business logic wise)?
Steve Jones
sjones@sqlservercentral.com
http://www.sqlservercentral.com/columnists/sjones