Introduction to ASP.NET Core

ASP.NET Core: An Overview

ASP.NET Core is a lightweight, open-source, and cross-platform unified framework for developing web UI and web APIs. It is a complete redesign of existing ASP.NET 4.x, with architectural changes that make it a leaner, modular, and high-performance framework. To get more knowledge about ASP.NET you need to get ASP.NET Core Certification which will in future help you in your career.

Read More: Top 50 ASP.NET Core Interview Questions and Answers for 2024

Evolution of ASP.NET Core

Features of ASP.NET Core

1. Open-source
2. Cross-platform framework which runs on macOS, Linux, and Windows.
3. Runs on the top of .NET Core or full .NET Framework having version 4.6+.
4. A unified framework for building web UI and web APIs.
5. Built-in dependency injection.
6. New lightweight and modular HTTP request pipeline.
7. Ships entirely as NuGet packages.
8. Side-by-side versioning when targeting .NET Core.
9. Built-in support for SPA using client-side frameworks like Angular, React, Vue, etc.
10. Supports IIS, Nginx, Apache, Docker, or self-host deployment.

ASP.NET Core Architecture

Read More: What is an ASP.NET Core Developer? Skills to become ASP.NET Core Developer

ASP.NET Core Version History

ASP.NET Core Performance Benchmarks

ASP.NET Core is the fastest framework which can serve 2300% more requests per second as compared to ASP.NET 4.6. It's around 20 times faster than Node.js.

ASP.NET Core Anatomy

In ASP.NET Core everything starts with Program.cs, Main Method. ASP.NET Core apps require a startup class which serves as an alternative to Global.asax in ASP.NET 4.x. It uses a cross-platform Kestrel web server to serve the request and response. Here, IIS/Apache Tomcat/Nginx works as a delegation web server, and is used to delegate the incoming request to the internal Kestrel web server.

Differences Between ASP.NET Framework and .NET Core

.NET Core is a general-purpose development platform, while ASP.NET Core is a framework for building web applications on top of .NET Core.

Read More: Difference Between Asp .Net and Asp .Net Core

Why ASP.NET Core/Benefits of ASP.NET Core?

• Open Source: The entire source code for this .NET Core Framework is available at https://github.com/aspnet, and you can download it.
• Cross-Platform: ASP.NET Core applications can be developed and run on different platforms such as Windows, Mac, or Linux Operating Systems. You can use either Visual Studio or Visual Studio Code or any third-party editor such as ATOM, Sublime, etc. for developing ASP.NET Core applications.
• Unified MVC and Web API Framework: A single controller class can be used to handle both. The Controller in ASP.NET Core (either Web APPs or Web APIs) application will inherit from the Controller base class and return the IActionResult interface.
• Testing and Maintainability: Applications developed using the ASP.NET Core MVC framework can easily be tested and maintained as you can separate different parts of your application into independent pieces and test them independently.
• Excellent developer tools: ASP.NET Core comes with a lot of preloaded tools like Libmam, ReSharper, etc.

What ASP.NET Core doesn't have :

1. Global.asax
2. Web.Config
3. Modules and Handlers
4. Typical ASP.NET page life-cycle

What do you think?

I hope you will enjoy the ASP.NET Core. I would like to have feedback from my blog readers on ASP.NET Core Training Online. Your valuable feedback, questions, or comments about this article are always welcome.

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