9. Scaffold movie pages

Create the Scaffold movie pages

Use the scaffolding tool to produce Create, Read, Update, and Delete (CRUD) pages for the movie model.

Open a command window in the project directory. The project directory is the directory that contains the Program.cs and .csproj files.

Run the following command:

dotnet-aspnet-codegenerator controller -name MoviesController -m Movie -dc MvcMovieContext --relativeFolderPath Controllers --useDefaultLayout --referenceScriptLibraries -sqlite

The following table details the ASP.NET Core code generator parameters:

Parameter	Description
-m	The name of the model.
-dc	The data context.
--relativeFolderPath	The relative output folder path to create the files.
--useDefaultLayout|-udl	The default layout should be used for the views.
--referenceScriptLibraries	Adds _ValidationScriptsPartial to Edit and Create pages.
-sqlite	Flag to specify if DbContext should use SQLite instead of SQL Server.

Eliminate Warning for nullable.

To eliminate the warnings from nullable reference types, remove the following line from the MvcMovie.csproj file:

<Nullable>enable</Nullable>

Initial migration

Step 1: If dotnet ef has not been installed, install it as a global tool:

  dotnet tool install --global dotnet-ef

For more information on the CLI for EF Core, see EF Core tools reference for .Net CLI.

Step 2: Run the following .NET CLI commands:

dotnet ef migrations add InitialCreate

dotnet ef database update

Test the app

Run the app and select the Movie App link.

dotnet watch

If you get an exception similar to the following, you may have missed the above Migration Step