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What is Dependency Injection in ASP.NET Core MVC?

An example of an AI chatbot conversation about ASP.NET Core MVC and Dependency Injection.

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You

What is Dependency Injection in ASP.NET Core MVC?

MagicBuddy
MagicBuddy

Dependency Injection (DI) is a design pattern used to implement IoC (Inversion of Control), allowing for better code management and testing.

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You

How does it improve the architecture of an MVC application?

MagicBuddy
MagicBuddy

It promotes loose coupling, making components easier to manage, test, and maintain by injecting dependencies rather than hardcoding them.

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You

Can you give me an example of how to set it up in an ASP.NET Core MVC app?

MagicBuddy
MagicBuddy

Sure! You can register services in the Startup.cs file using services.AddTransient, services.AddScoped, or services.AddSingleton methods.

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You

What are the differences between Transient, Scoped, and Singleton lifetimes?

MagicBuddy
MagicBuddy

Transient creates a new instance each time, Scoped creates one per request, and Singleton creates a single instance for the entire application.

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