We are all using Table Driven Design objects like DataSet, DataTable, Typed DataSet etc. since we all are using RDBMS, and not aware / not ready to use (may be big / small co. not interested to take up OODBMS concepts and give a solid product) OODBMS. So, whats the solution. At some extent Typed DataSet can be useful. But, it is also tightly coupled with the backend DB Tables. So, its right time we all concentrate / take initiative for using O-R Mapping tools while designing which can pave way for Domain Driven Design. Here are few articles which talk about these much. Just have a look.

Domain Driven Design Vs. Table Driven Design

M$ may or may not come out with ObjectSpaces. But, in ASP.NET 2.0 we've been provided with ObjectDataSource Control. Here is an article explaining how ObjectDataSource Control can be used.