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Identifying Lifecycle Mismatches Dependency injection frameworks enforce strict boundaries around service lifetimes. A frequent architectural mistake occurs when a long-lived component atttempts to capture a short-lived dependency. Consider a background synchronization handler that requires a database session: public class DataSyncService { ...

Foundations of Dependency Injection ASP.NET Core was engineered from the ground up as a modular framework that adheres to established software engineering principles. At its core lies Dependency Injection (DI), also referred to as Inversion of Control (IoC). While the theoretical underpinnings extend far beyond this chapter, mastering it is non ...