Tips When Making Changes in Entity Framework Code First Models after Scaffolding

When you scaffold an existing Entity Framework model, using MVC5 scaffolding in Visual Studio 2013, you can easily run into the issue of “ The model backing the <DbContextName> context has changed since the database was created ” as shown below. For example, in an MVC project, add the following model. public class Product { public int Id { get; set; } public string Name { get; set; } } Scaffold the Product model using “MVC 5 Controller with views, using Entity Framework” scaffolder in Visual Studio 2013. View the generated pages, Index/Edit/Details/Create, to verify things are working properly. Now, suppose we need to modify the Product model to add more fields, like Description and Category. public class Product { public int Id { get;...(read more)