Scaffolding ADO.NET Entity Data Model Designer-based-models

The ADO.NET Entity Data Model Designer (Entity Designer) is a GUI tool for editing Entity Framework models. You can use the Entity Designer to visually create and modify entities, associations, mappings, and inheritance relationships. You can also use the tool to validate the model. When you build the Entity Framework models, Entity Designer in Visual Studio 2013 generates a DbContext based container with the associated T4 template. These context files do not carry any metadata information for the target EDMX files. They are generated to always throw the UnintentionalCodeFirstException as follows: Code Snippet protected override void OnModelCreating(DbModelBuilder modelBuilder) { throw new UnintentionalCodeFirstException(); } Note: See http...(read more)