Data Access Layer returns DataTable

Question

Please have a look at the following question, which i asked some time ago: Breaking BLL (Business Logic Layer) to BLL and DAL (Data Access Layer)

This approach (Data

Answer 1

Returning a DataTable isn't completely terrible--there's certainly worse ways of doing it--it's only partly terrible. But, who wants to eat partly terrible food unless they have no other option?

So, unless there's some reason why you need to use a DataTable, I would recommend sticking with custom DTO classes and just have your DAL return a list of those objects. For instance:

Public Function GetNames() As List(Of NameDto)
    '...
End Function