---
title: "Discussion on \"Polymorphic Dependency Injection in .NET: The Complete Guide\" | Hashnode"
description: "Discussion on \"Polymorphic Dependency Injection in .NET: The Complete Guide\". Compare keyed and conditional dependency injection in .NET with Simple Injector, Castle Windsor, Autofac, StructureMap, and built-in keyed services."
url: "https://hashnode.com/posts/polymorphic-dependency-injection-in-net-the-complete-guide/6a973b24ec01dadaed14eb4a"
---

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# [Polymorphic Dependency Injection in .NET: The Complete Guide](https://steponeit.hashnode.dev/polymorphic-dependency-injection-in-net-the-complete-guide?utm_source=hashnode&utm_medium=feed)

Compare keyed and conditional dependency injection in .NET with Simple Injector, Castle Windsor, Autofac, StructureMap, and built-in keyed services.

Sep 1 · 6 min read · steponeit.hashnode.dev  
Updated Sep 4  
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