Maarten Balliauw • 10/19/2018

Registering a type as an interface and as self with ASP.NET Core dependency injection

This technical article addresses a common issue in ASP.NET Core dependency injection: registering a service so it can be resolved both by its interface (e.g., ICustomerService) and its concrete type (e.g., DefaultCustomerService). It explains the problem, the resulting InvalidOperationException, and critiques common workarounds before hinting at a cleaner solution for registering types 'as self'.

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#dependency injection #Aspnet Core #Service Registration