Dependency injection

dependency-injection

Great Reads

Creating and Installing Plugins as Nuget Packages

by Nick Polyak

Describes how to install dynamically loaded plugins as nuget packages

Mimick - A Fody Aspect-Oriented Weaving Framework

by Chris Copeland

A managed library for automated dependency injection, contract validation, and custom aspect-oriented decorator implementations

Completely Selfconfigurating Service with .NET 5

by GerVenson

Why do we need to register all services with service.AddService?

Using Dependency Injection with C# .NET Azure Functions (With Example)

by Tom Ling

The code for this example can be found here. What is dependency injection. Dependency injection (DI) is a software design pattern that allows developers to write loosely coupled code.

Latest Articles

Optional DependencyInjection in .NET

by Federico Alterio

How to optionally inject a dependency using Microsoft DependencyInjection container

Xamarin Forms – Jumpstart Your App With Autofac

by Dev Leader

Jumpstart app with Autofac

Creating and Installing Plugins as Nuget Packages

by Nick Polyak

Describes how to install dynamically loaded plugins as nuget packages

Adding Configuration to .NET 6 Projects using the IOptions Pattern

by Jason Sultana

How to add configuration to Web API and other project types

All Articles

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Dependency injection

Creating and Installing Plugins as Nuget Packages

17 Jan 2023 by Nick Polyak

Describes how to install dynamically loaded plugins as nuget packages

Architect

MSBuild

NuGet

dependency-injection

plugins

IOC

Mimick - A Fody Aspect-Oriented Weaving Framework

9 Jun 2020 by Chris Copeland

A managed library for automated dependency injection, contract validation, and custom aspect-oriented decorator implementations

Completely Selfconfigurating Service with .NET 5

30 Aug 2021 by GerVenson

Why do we need to register all services with service.AddService?

Using Dependency Injection with C# .NET Azure Functions (With Example)

6 Jun 2019 by Tom Ling

The code for this example can be found here. What is dependency injection. Dependency injection (DI) is a software design pattern that allows developers to write loosely coupled code.

How does .NET core implement dependency injection for different lifetimes?

23 Apr 2020 by Pete O'Hanlon

There are a series of articles here on CodeProject that answer this question. The first part can be found here: Dependency Inversion Principle, IoC Container, and Dependency Injection: Part 1[^] Most IoC containers provide similar implementations.

.NET-Core

dependency-injection

Using the Builder Pattern to Help Your Unit Tests

31 Jul 2021 by Jason Sultana

Using builder pattern to help unit testing a service with more than just a couple of dependencies

dependency-injection

testing

Using MongoDB .NET Driver with .NET Core WebAPI

8 Nov 2019 by Petru Faurescu

Simplified guide to building a fast, secure web application backend

.Net Core DI, How to register all existing assignable types in an assembly

13 Jan 2020 by M.M.Mohseni

In this article, we'll explain how to register (Add) all specific interface assignable types in an assembly and will use them in a class.

.NET-Core

.NET

dependency-injection

How does .NET core implement dependency injection for different lifetimes?

23 Apr 2020 by Maciej Los

Another resources: Dependency injection in ASP.NET Core - lifetimes[^] .NET Core Dependency Injection Lifetimes Explained - .NET Core Tutorials[^] Dependency Injection Lifetime: Transient, Singleton & Scoped - TekTutorialsHub[^]

.NET-Core

dependency-injection

Using MongoDB .NET Driver with .NET Core WebAPI

16 Apr 2019 by Petru Faurescu

What’s about Problem / solution format brings an easier understanding on how to build things, giving an immediate feedback.

Error while validating the service descriptor 'servicetype: .....ihostedservice' cannot consume scoped service

5 Dec 2019 by Richard Deeming

Hosted services are registered as singletons, and cannot directly depend on scoped services. If an instance of a scoped services was injected into a singleton service, it would become a singleton itself. Captive Dependency[^] The dangers and gotchas of using scoped services in...

ASP.NET-Core

dependency-injection

How do I configure .NET core DI in a file

17 Jan 2022 by _Asif_

Check this: Article is doing the same thing .NET Core Dependency Injection with Configuration – csharp.christiannagel.com[^]

dependency-injection

How do I configure .NET core DI in a file

17 Jan 2022 by Magnus Sydoff

I finally gave up Googling this issue and took a deep look on how the automatic variant of injecting services was made. I used this NuGet package, AutoRegisterDI[^] as a starting point and ended up something looking like the code below (some of...

dependency-injection

Adding Dependency Injection to your .NET Console Apps (and Tests)

7 Aug 2022 by Jason Sultana

How to add DI to your .NET console apps

ASP.NET

dependency-injection

Let’s Talk about MEF – Part 1

13 Nov 2018 by Vlad Neculai Vizitiu

Let’s talk about MEF – Part 1

Rolling Our Own IoC

13 Nov 2018 by Vlad Neculai Vizitiu

What an Inversion of Control (IoC) container is and how it works

Unity

dependency-injection

Dependency Inversion and Dependency Injection

13 Nov 2018 by Vlad Neculai Vizitiu

In this post, we will take a deeper look at what Dependency Inversion or Dependency Injection actually means and how it helps us.

dependency-injection

Play framework depency injection not working

16 Apr 2019 by Member 13074421

I have tried dependency injection example from here https://dzone.com/articles/guicing-play-framework What is missing here? What I have tried: public class TestController extends Controller{ @Inject private Testing test; public Result result() { test.tt(); return ok(); } } ...

Java

dependency-injection

Asp.net webapi 2 dependency injection giving error that

30 May 2019 by titu-1670319

Hi I am using unity container for depency injection by attributes using following code container.RegisterTypes( AllClasses.FromLoadedAssemblies() .Where(t => t.GetCustomAttributes(true).Any()), ...

dependency-injection

WebAPI2

Asp.net webapi 2 dependency injection giving error that

30 May 2019 by Gerry Schmitz

Quote: Problem is sometimes i get following exception which goes if i clean and rebuild the solution. am i missing something ? Yes. You're missing another clean and rebuild.

dependency-injection

WebAPI2

Autofac issue in resolving the named/typed parameter

23 Aug 2019 by ravithejag

I want to pass an extra parameter while resolving the dependencies based on the type. please have a look into my code changes private readonly Func _strategyFactory; calling the stratergy pattern to resolve the dependencies based on the Type. return _strategyFactory(...

dependency-injection

Autofac

How to register instance of a nested generic interface in a dependency injection container

25 Aug 2019 by Member 11380736

I'm trying to create a dynamic architecture for a Audio/Video player application. I want to be able to change the type of playlist and type of repository from inside the ioc container. This should be injected in constructors around the application: IPlaylist playlist,...

repository

dependency-injection

generics

Error while validating the service descriptor 'servicetype: .....ihostedservice' cannot consume scoped service

5 Dec 2019 by Member 14615490

Hi I am working on worker service asp.net core 3.0 . I am getting the following error: Some services are not able to be constructed (Error while validating the service descriptor 'ServiceType: Microsoft.Extensions.Hosting.IHostedService Lifetime: Singleton ImplementationType:...

ASP.NET-Core

dependency-injection

How to register all assignable types in an assembly in .Net Core DI

13 Jan 2020 by M.M.Mohseni

In this article, you will learn how to write a new extension for .Net Core DI and register all assignable types in an assembly with specific interface.

How to choose the better design to achieve dependency injection

3 Nov 2020 by Member 14983007

I have a few functions in my main method for my python application. All these functions perform various tasks by calling different classes under my src folder. Applications using my tool define a configuration file that my tool reads from and...

Python

dependency-injection

How to implement dependency injection with unity?

30 Nov 2020 by xhon

I'm on a ASP NET MVC 5 web application inside a multi-tier solution. The general scenario is the following: the controller Mvc uses a proxy to call methods from the services (Rest and Service2), the services call the methods from the business...

MVC5

Unity

dependency-injection

How to set value the ihttpcontextaccessor object as dependency injection?

19 Dec 2020 by Reza kavian

i want to autorize in controller action via RedirectingAction class. When I call this class above the Home/Privacy, I just want to enter the type and value of the claim to check, but I do not set the IHttpContextAccessor object. i want set value...

dependency-injection

How to remove a component or dependency from castle windsor 5.0

4 Feb 2021 by Member 11352015

I am new to using Castle Windsor I have a couple of registered dependencies using Castle Windsor. I would like to dispose and remove one of these injected dependency at a particular time. How can I do this. My code is as follows: In the main...

dependency-injection

How to remove a component or dependency from castle windsor 5.0

4 Feb 2021 by Richard Deeming

Remove component in CastleWindsor version >3.0 · Issue #151 · castleproject/Windsor · GitHub[^] Looks like it was broken in 5.1.0, but it should be working again in 5.1.1: DefaultNamingSubSystem.InvalidateCache was protected and has been made...

dependency-injection

Dependency injection and inversion of control example

4 Oct 2021 by Member 12885549

From definition: > Inversion of Control (IoC) means to create instances of dependencies first and latter instance of a class (optionally injecting them through constructor) is then it a good example of DI and IoC? Meaning that I create instance...

ASP.NET-Core

dependency-injection

How to resolve multiple instances of same typed client implemented using ihttpclientfactory .NET core 3.0 using Microsoft dependency injection

7 Dec 2021 by nidhi shankhdhar

I am writing a library which user can reuse to connect with multiple APIs. Requirement is to create multiple Typed client using IHttpClientFactory based on configuration in appsettings.json. I am reading Typed client from config so unable to...

dependency-injection

How to resolve multiple instances of same typed client implemented using ihttpclientfactory .NET core 3.0 using Microsoft dependency injection

7 Dec 2021 by Richard Deeming

With the IHttpClientFactory, you can either have a standard HttpClient keyed by name, or a typed client keyed by type. There is no support for registering different versions of the same typed client. How about something like this? public...

dependency-injection

Dynamically configure dependecy injection in net6 using an external file

3 Sep 2022 by Magnus Sydoff

Hello all, I have used Autofac to write a Console application in Net6 for Windows, Ubuntu and Raspberry. I have managed to wire up my dependencies using an external json file for Autofac as shown below. protected override void...

How do I configure .NET core DI in a file

17 Jan 2022 by Magnus Sydoff

Using .NET Core 6 dependency injection I have code in Program.cs looking like this ... IConfigurationBuilder configuration = new ConfigurationBuilder(); configuration.SetBasePath(Directory.GetCurrentDirectory()); var host =...

dependency-injection

How do I configure .NET core DI in a file

17 Jan 2022 by OriginalGriff

Repost: Deleted. Please do not repost your question; use the Improve question widget to add information or reformat it, but posting it repeatedly just duplicates work, wastes time, and annoys people. I'll delete this one.

dependency-injection

Exploring the Microsoft.Extensions.DependencyInjection Machinery

9 Aug 2022 by Philippe Monteil

Core concepts and mechanisms of Microsoft.Extensions.DependencyInjection Dependency Injection

.NET

dependency-injection

singleton

Dynamically configure dependecy injection in net6 using an external file

3 Sep 2022 by TimWallace

You could register factories instead of classes with the DI container. Then have the factories create the instance(s) from config file settings.

Dynamically configure dependecy injection in net6 using an external file

3 Sep 2022 by Magnus Sydoff

In order to solve the problem I finally ending up writing something like the code below. First some module definitions public static string ModulesFolderName = "Modules"; public interface IModuleDataConfiguration { ...

25 Jan 2023 by Member 12799321

I am using Asp.net webapi with c# framework 4.7 with those I am trying to handle the apseeting.json file using Calabonga.Configuration package I don't know how can I register class instance that depends on multiple interfaces in unity container....

ASP.NET5

dependency-injection

UnityConfiguration

C# WPF Microsoft DI structure change

3 Nov 2023 by rw-MassimoTamburini

We are building a WPF application using Microsoft.Extensions.DependencyInjection and we would like to change a little bit the structure that we have now. Our WPF pages use viewmodels and communicate with the business logic layer using commands...

C#7.0

WPF

dependency-injection

Dependency Injection using Unity container

4 Apr 2017 by ashish__shukla

The post Dependency Injection using Unity container appeared first on codecompiled .Dependency injection is one way to implement inversion of control.To understand dependency injection please refer Dependency Injection in .NET Dependency injection injects the dependencies of a class at runtime.This

dependency-injection

Dependency Injection Pattern in C# – Short Tutorial

9 Aug 2022 by Mark Pelf

We explain DI Pattern, DIP, IoC, DI Container

ThunderboltIoc: .NET Dependency Injection without Reflection!

12 Feb 2022 by Aly Elhaddad

Introduction and documentation for new ThunderboltIoc framework that achieves DI in .NET without reflection

Application Architecture - First Know Dependency before Dependency Injection

23 Apr 2017 by Habibur Rony

This article is about dependency, type of Dependency, its use, advantages and disadvantages; as well as it will cover Dependency Inversion, Inverse of Control, and IOC Framework.

Typed Claims in ASP.NET Core 2.1

3 Feb 2019 by Vlad Neculai Vizitiu

How to use claims following a typed approach

ASP.NET-Core

ASP.NET

dependency-injection

Angular 7 with .NET Core 2.2 - Global Weather (Part 2)

10 Mar 2019 by Fred Song (Melbourne)

Angular 7 with .NET Core 2.2 - Global Weather (Part 2)

Adding Configuration to .NET 6 Projects using the IOptions Pattern

10 Aug 2022 by Jason Sultana

How to add configuration to Web API and other project types

dependency-injection

JSON

Optional DependencyInjection in .NET

11 Jun 2023 by Federico Alterio

How to optionally inject a dependency using Microsoft DependencyInjection container

dependency-injection

Tinkering with Client-side Blazor and the AWS SDK for .NET

26 Oct 2020 by Matteo Prosperi

Being an engineer on the AWS SDK for .NET team, I tasked myself with figuring out how to use our libraries under Blazor in the browser.

A Smarter DI Container for Xamarin.Forms

4 Mar 2019 by marcusts

They got it wrong with IOC containers, but that can be fixed. The post A Smarter DI Container for Xamarin.Forms appeared first on Marcus Technical Services.

Xamarin Forms – Jumpstart Your App With Autofac

21 Jan 2023 by Dev Leader

Jumpstart app with Autofac

dependency-injection

Xamarin

C# modifiers use and abuse – Part 2

14 Nov 2018 by Vlad Neculai Vizitiu

Hello and welcome to part two of the use and abuse of the C# modifier keywords, Last time we looked at the access modifiers that apply to types (class, struct, and enums) and members (fields, methods, nested classes, etc.

Boost

dependency-injection

threads

How does .NET core implement dependency injection for different lifetimes?

23 Apr 2020 by 855

how does .net core implement dependency injection for different lifetimes? how does a instance created and disposed for different lifetimes? What I have tried: What i could think is 1.singleton - use a global static dictionary to keep all the...

.NET-Core

dependency-injection