Skip to content

Learn

All CoursesBrowse the full catalog of expert-led courses
WorkshopsDeep-dive workshops from industry experts

AI-Powered

Learning PathsNewA personal path to your goal, built by AI
AI AgentLearn with an AI agent on every lesson
MCP ServerBring Dometrain into your AI coding tools
Mock InterviewsNewPractice real interviews with an AI interviewer

Trending now

Dometrain ProAll courses. One subscription.Every course and workshop replay, plus the AI-powered tools.Explore Pro

Community

LeaderboardSee how you rank against fellow learners
ReviewsWhat developers say about our courses
Customer StoriesHow real teams level up with Dometrain
ChangelogSee what's new and improved at Dometrain

Content

BlogsArticles and deep dives from our authors
AuthorsMeet the engineers behind the courses

Partners

AffiliatesEarn by sharing Dometrain with your audience
Dometrain for BusinessTraining and team management for companies

SkillScoreNew Dometrain Pro

Shopping Basket

Your basket is empty

Business Portal

1 2 3 4 5 6 7 8

Dependency Injection in .NET with C#

4h 41m

From Zero to Hero

Progress0%

0 / 78 lessons4h 40m left

Course overview(0/3)

WelcomeFree Preview2m 34s What will you learn in this course?Free Preview1m 49s Who is this course for and prerequisitesFree Preview1m 21s

Introduction to Dependency Injection(0/8)

The problem with dependencies6m 47s Why Dependency injection is necessary5m 13s A practical example of the dependency problem10m 25s A less obvious example of a Dependency Injection use-case4m 24s Dependency injection benefits past testability1m 11s Injecting Classes vs Abstract classes vs Interfaces1m 51s So do you have to do all that manually??1m 21s Section recap1m 9s

Dependency Injection fundamentals in .NET(0/15)

Introduction38s The simplest setup with Dependency Injection6m 34s The ServiceCollection2m 0s The ServiceProvider1m 46s All of the above, in an API5m 27s The different types of dependency lifetimes4m 30s The Transient lifetime2m 8s The Singleton lifetime2m 8s The Scoped lifetime2m 31s GetService vs GetRequiredService3m 38s Generic-based registration vs implementation-based registration3m 31s Registration approaches6m 4s The Startup.cs and changes after .NET 62m 9s Third party libraries1m 49s Section recap1m 9s

Resolving dependencies(0/15)

Resolving dependencies in different project types21s Resolving dependencies from the constructor59s Resolving dependencies from the method1m 27s Resolving dependencies in a console setup1m 17s Resolving dependencies from the HttpContext1m 9s Resolving dependencies from Action Filters as Attributes2m 42s Resolving dependencies from Service Filters2m 42s Resolving dependencies from Middleware2m 32s Resolving dependencies in Minimal APIs3m 13s Resolving dependencies in Razor Views & Pages1m 28s Resolving dependencies in Blazor1m 0s Resolving dependencies in gRPC Services1m 16s Resolving dependencies in Hosted Services2m 38s Resolving dependencies in service registration1m 54s Section recap31s

Deep dive(0/11)

Do you need an interface for everything?4m 59s Choosing the right dependency lifetime2m 31s Dependency resolving issues and limitations7m 43s Registering open generics2m 38s Registering multiple interface implementations3m 22s The ServiceDescriptor4m 22s Add vs TryAdd4m 22s TryAddEnumerable3m 31s Replacing dependencies5m 47s Cleaning up service registration3m 22s Section recap59s

Advanced techniques(0/8)

Creating a custom scope5m 42s The service locator anti-pattern2m 48s When service locator makes sense20m 37s Avoiding capturing dependencies3m 14s Avoiding multiple service providers3m 18s Creating decorators7m 11s The future of dependency injection3m 55s Section recap47s

Extending Dependency Injection with Scrutor(0/11)

What is Scrutor?1m 34s Registering service decorators3m 58s Surprise optional refactoring lecture8m 26s Service registration by scanning13m 9s Interface marking3m 28s Attribute marking3m 13s Namespace filtering2m 19s Using the ServiceDescriptor attribute2m 47s Using RegistrationStrategies2m 24s Potential pitfalls1m 52s Section recap46s

Creating our own Dependency Injection framework(0/5)

Why should we even bother?1m 25s The design2m 57s The implementation19m 57s Extending the main implementation10m 36s Section recap33s

Conclusion(0/2)

Course conclusion32s Rate this course

0 matches found

Loading transcript

No transcript available for this lesson.

Sign in to take notes

Timestamped notes are saved to your account and grouped by lesson here, so you can jump back to any moment of the course.

Get Your Certificate

Creating a custom scope

Advanced techniques

Watch 50% of the video to earn XP

Sign in to watch this course

Already a Dometrain Member?

or

New to Dometrain?

Next Lesson

The service locator anti-pattern

Complete to earn+100 XP

+0 XP

+20 to next Gem

1 day streak!

Level up!

Streak saved!

Lesson Complete!

+0 XP

+20 to next Gem

Streak started!

Level 1!

Freeze earned!

Up next:The service locator anti-pattern

Lesson Notes

Read this lesson

Loading content...

Unable to load content. Please try again.

Upgrade to Dometrain Pro

Get unlimited access to this video and all other courses on Dometrain with a Pro subscription.

Unlimited access to all courses
New courses added regularly
Certificates of completion

Get Dometrain Pro

Where today's experts teach tomorrow's

Learn

Courses Learning Paths Workshops

Community

Blog Authors Reviews Customer Stories Changelog

Business

Dometrain Pro Business Portal Affiliates

Support

Contact Terms of Use Privacy Policy

© 2026 Dometrain. All rights reserved.

What's New