Webb15 dec. 2024 · Of course, if you prefer to inject DbContext, that’s may also be fine. However, I like to keep it that way, as, by that, I can have a clear split between the domain logic and application code. It’s easier for me to maintain the order. Also, by injecting specified classes, we’re doing design by capabilities. WebbC# 如何指定DataContext（ViewModel）类型以在XAML编辑器中进行设计时绑定检查，而不创建ViewModel对象？,c#,wpf,xaml,mvvm,C#,Wpf,Xaml,Mvvm.

Using multiple dbcontext instances and dependency injection

WebbUsing DbContext via a dependency injection container is recommended. This ensures DbContext is created as per request by the API pipeline and disposed of based on lifetime management used while registering it. Add the DbContext type to the service container by using the AddDbContext method with Scoped lifetime (Recommended ). 1 Answer Sorted by: 58 You don't have to include the dbcontext yourself, ASP.NET core dependency injection service will do this for you. You have just to declare your services and your database context in your startup class, and put the dbcontext you need in your service's constructor : how many license plates in california

Accessing the HttpContext from a DbContext

Webb20 jan. 2015 · 11. The solution is actually quite simple. You need to make sure that your PCSubsDBContext has a constructor that takes in a connection string, connection … Webb20 jan. 2024 · you can dependency inject both or either of the subclass dbcontext in the constructor. the dependency injection resolver will then create the concrete class. … Webb8 apr. 2024 · For example, you can inject a dependency into the DbContext constructor and use it to perform additional operations during migration. You can also register a service in the DI container and use it during the migration process. Here is an example of how to use dependency injection in migrations using EF Core Code First Migrations: how many licks does it take t-shirt