Usually, we map data from DB into models in for DAL. Of cource, we aslo encapsulate the models into Business Object(BO) or Domain Object(DO) for BLL. That's usual design affairs. In the case of design, different layers make a clear organize about business logic from data, service and so on.
However, it's unavoidable to pass value from Models to BOs to run business logic or pass value from BOs to Models to save data. This is unreasonable to handle many data transfer but necessary in this satuiation. How can we make it easy? Of course it is. Refelecting is a useful way to make data transfer easy for different CLR types value assignment....