Scaffold-DbContext to different output folder

Question

I'm implementing repository pattern in company solution I work for, separating model classes in a Backend project and database context and migrations in DbContexts project.

I'm using Scaffold-DbContext setting my Backend Project as default project to destination of model classes, however DbContext Class is always created in same folder as model classes. Is it possible to redirect the creation of the DbContext class to a different output folder, in my case to DbContexts project?

Answer 1

It is now possible to redirect the generated context with -ContextDir option:

-ContextDir The directory to put DbContext file in. Paths are relative to the project directory.

So in your case it would be something like this:

Scaffold-DbContext "*connection*" "*provider*" -OutputDir "BackendProject" -ContextDir "DbContexts"

Source: https://learn.microsoft.com/en-us/ef/core/miscellaneous/cli/powershell

Answer 2

Yes, you can do that with my "EF Core Power Tools" free Visual Studio extension:

https://github.com/ErikEJ/SqlCeToolbox/wiki/EF-Core-Power-Tools

Answer 3

I faced a similar problem. I had my EF models in a separate project. In order to write the models there, I just used the following command:

Scaffold-DbContext "Server=[Server];Database=[Database Name];Trsted_Connection=True;" Microsoft.EntityFrameworkCore.SqlServer -Project "[Project Name]" -Force 

The key for me was the -Project "[Project Name]" -Force option.

As the top answer indicates, if you want a different folder within that project, you can just use the -OutputDir option.

Answer 4

You can generate models and DBContext in different projects (not only different folders in the same project) like this:

Scaffold-DbContext "connectionString" Microsoft.EntityFrameworkCore.SqlServer -ContextDir "C:\MySolution\DataAccessLayer\Context" -OutputDir "C:\MySolution\DomainLayer\Models" -Namespace "DomainLayer.Models" -ContextNamespace "DataAccessLayer.Context"

1. Note that the specified paths are absolute .
2. I know that the documentation says that the path is relative to the project. But it does not forbid to put an absolute path.
3. The -Namespace and -ContextNamespace are optionnal but I use the to keep my namespaces in sync with class location.

Answer 5

Scaffold-DbContext to different output folder:

---

• With help of Package Manager Console

• Scaffold-DbContext 'ConnectionString' Microsoft.EntityFrameworkCore.SqlServer -ContextDir MyDbContextFolder -OutputDir EntitiesFolder

---

• With help of .Net CLI

• dotnet ef dbcontext scaffold 'ConnectionString' Microsoft.EntityFrameworkCore.SqlServer --context-dir MyDbContextFolder --output-dir EntitiesFolder

Answer 6

You need to change the Default Project to the project which you want to generate entities in, also specify the folder (using OutputDir switch) where you want to generate the model definition. Example is below

Scaffold-DbContext "Data Source=.\SQLEXPRESS;Initial Catalog=DbName;Integrated Security=SSPI;" Microsoft.EntityFrameworkCore.SqlServer - OutputDir Models -f -d

Answer 7

I'm implementing repository pattern in company solution I work for, separating model classes in a Backend project and database context and migrations in DbContexts project.

I'm using Scaffold-DbContext setting my Backend Project as default project to destination of model classes, however DbContext Class is always created in same folder as model classes. Is it possible to redirect the creation of the DbContext class to a different output folder, in my case to DbContexts project?

Answer 8

As indicated by ihebiheb Here is an example

context-namespace, namespace for your class context-dir, folder in which you will leave the context of your classes namespace, space name for each class in the database output-dir, output folder for each class in the database f, to overwrite the data that exist in the output folder for each class in the database

dotnet ef dbcontext scaffold "connectionstring" Microsoft.EntityFrameworkCore.SqlServer --context-namespace "apitienda.dal.Context" --context-dir "Context" --namespace "apitienda.dto.Entities" --output-dir "../apitienda.dto/Entities" -f

tienda --apitienda.api --apitienda.dto --Entities --apitienda.dal --Context