differences between IoC containers

 

I'm looking for some guidance about how to chose an IoC container for an ASP.NET MVC application.

What are the differences between (for example) StructureMap, Ninject, Castle Windsor, Unity, autofac and others? Can anyone give some hints or links to resource that might help chosing one library?

Update : there is one question (Enterprise Library Unity vs Other IoC Containers) which talks about the differences in the initialization of the IoC containers.

But are there any differences in functionality, which would make some IoC containers a better choice for an ASP.NET MVC application?

Here's a helpful blog post that compares features between the various IOC frameworks available in .Net, I don't know that there's anything about MVC that favors one container over another though.

Max

One thing which is different between the various IoC containers are the lifecycle or instantiation modes which are supported out of the box (when to create a new instance of the component):

  • StructureMap
  • transient (called per-request), singleton, thread-local, per-HttpContext, per-HttpSession, Hybrid
  • Ninject
  • transient, singleton, per-thread, per-HttpRequest
  • Castle windsor
  • singleton, transient, per-thread, pooled, per-HttpRequest (additional available through facilities)
  • autofac
  • transient (factory), singleton, per-HttpRequest
  • Unity
  • transient, singleton, per-thread

    • I've personally settled on Autofac. One thing that seems to be really nice is the deterministic disposal of resources.

    That and it had ASP.Net integration with it as well when I checked it out. I should look at other frameworks some time but I haven't had issues with it. The error messages it gives you when there is an unresolvable component is really nice.

    Your best bet is to try projects with each of them. I've become a real fan of doing the configurations in code (as much as possible) and using XML configurations as backup. So make your own priority list and try them out.

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