If Class A has a collection of Class B, the detail view of Class A contains a list of Class Bs. Is it possible that the list of Class Bs also includes the detail view of Class B? 

Thanks

 Bill,

If I am understanding your requirement correctly: In the Model, you can set the Views->ClassB_ListView->MasterDetailMode attribute to "ListViewAndDetailView". that'll give you a list and detail view for Class B.

HTH,

Linton

 Yup, that is what I did, but it still only shows the list. Does is matter which model I change in it??

Which model only matters if you put it in either YourSolution.Module.Win (will only apply to Windows Apps) or YourSolution.Module.Web (will only apply to Web apps). I usually make the changes to MySolution.Module (Applies to both Win/Web)

You may have a ListView names something like "ClassA_ClassB_ListView" that will be the list view when class A is open and class B is listed (or it maybe ClassB_ClassA_ListView.

HTH, Linton