The Entity Framework or the WCF generates a DbContext based on data (the Data Access Layer), and based on this DbContext, the Scaffolding Wizard generates the Data Model Layer, the View Model Layer, and the View Layer.
This documentation section consists of the following topics.
Overview contains general information about applications generated with the Scaffolding Wizard.
Data Access Layer contains information on how to generate a DbContext in different ways.
UI Generation contains information on how to generate UI based on the Data Access Layer.