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Editorial Team
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Asked: 2026-05-24T21:54:21+00:00

I’m coming to build new Enterprise solution So i decided to use Onion Architecture

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I’m coming to build new “Enterprise solution”

So i decided to use “Onion Architecture” because i wanna as much as flexible architecture.

But I’m new to “Dependency Resolution” concern.

As I understand I should put Factories “Implementations” in this Layer and this layer has references to all other layers.

Then I wanna know how to make new instance of IFactory in the “UI Layer” when the FactoryImplementation in DependencyResolution Layer and UI Layer don’t have reference to “DependencyResolution Layer”

Edit::

Thanks to Mr. Erik

But after I saw many of these links I still have problem when i want to “Register” Implementations to their “Interfaces” because I can’t do something like this in UI Project:

kernel.Bind<ITaxCalculator>()
      .To<TaxCalculator>()
      .WithConstructorArgument("rate", .2M);

Because UI Project can’t access TaxCalculator “Implementation”.

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1 Answer

  1. Editorial Team

    I think the best solution would be to use a Dependency Container (aka IOC container) to resolve your references, such as Castle Windsor or Unity if you’re on .NET. They make you able to configure up the dependency resolution without references to the actual implementations in the UI layer.

    EDIT: Some links:

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