ASP.NET Identity Webforms Model Binding using One Database (VB)

I would like to be able to use ASP.NET Identity with Webforms Model Binding, but use only one database.  I am able to create the database to house the Identity tables and another database context, tables, connection, etc. to house my other data.  But when I try to combine them I run into problems.  It seems that C# creates a namespace in the IdentityModels.cs file (such as MyWebApplication.Models whereas VB does not.  I think I have to use the same namespace to use the same context to use the code first methodology to create tables and fields in the same database.
It would be very helpful to have a full tutuorial on how to do this in VB.  There is a tutorial on adding a database and fields using model binding but that tutorial adds a second database later to house Identity.  There is also a tutorial on how to add Identity to a blank database.  How about a tutorial that adds additional tables and fields to an existing Ident ...