What to return from the DAL to BLL

Question

I currently have an application which consists of: User Interface (web page) BLL (Manager & Domain Objects) DAL (DataAccess class for each of my Domain Objects).

I u

Answer 1

The DataTable you want to return is database related, and for BLL, it shouldn't care about what database you are using and what the schema is. You may use a DB-Object Mapper to map the dbtable to an object in DAL.