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24 sie 2023 · Zmiany są wprowadzane do śledzonych jednostek zgodnie z potrzebami w celu zaimplementowania reguły biznesowej. wywoływana jest metoda SaveChanges lub SaveChangesAsync. Platforma EF Core wykrywa wprowadzone zmiany i zapisuje je w bazie danych. Wystąpienie DbContext jest usuwane.
DbContext in dependency injection for ASP.NET Core. In many web applications, each HTTP request corresponds to a single unit-of-work. This makes tying the context lifetime to that of the request a good default for web applications. ASP.NET Core applications are configured using dependency injection. EF Core can be added to this configuration ...
4 maj 2017 · I need to know how to setup a 2nd dbcontext to work with EF core that uses/creates a different database. I've tried creating a 2nd connection string but that gets me this error: System.Data.SqlClient.SqlException: 'Cannot open database "PartsDb" requested by the login. The login failed.
10 lis 2020 · The basic pattern for using EF Core in an ASP.NET Core application usually involves registering a custom DbContext type into the dependency injection system and later obtaining instances of that type through constructor parameters in controllers.
In this post, we will see how to configure DbContext in Entity framework EFCore in ASP.NET Core. We will see high-level guidelines and best practices that can be considered in general for configuring the DBCOntext.
16 lis 2020 · Learn what is DBContext and how to use it in EF Core Applications using ASP.NET. Learn how to register & configure DBContext for Dependency Injection
20 sie 2024 · DbContext is a central class in Entity Framework Core that manages the database connection and serves as a gateway for querying and saving instances of your entities. Key Components:...
