ASP.NET Core is a high-performance, cross-platform, open-source framework designed for building modern, cloud-enabled, and internet-connected applications. Here’s what you can do with ASP.NET Core:

  • Develop web apps and services, IoT applications, and mobile backends.
  • Use preferred development tools on Windows, macOS, and Linux.
  • Deploy applications to the cloud or on-premises.
  • Run applications on the .NET platform.

Why Choose ASP.NET Core?

ASP.NET Core represents a significant redesign of ASP.NET 4.x, incorporating architectural changes that create a more modular and streamlined framework. Millions of developers have utilized ASP.NET 4.x for web app creation, and ASP.NET Core builds on this legacy by providing numerous benefits:

  • Unified Development: A single approach for building web UIs and web APIs.
  • Testability: Architected to support comprehensive testing.
  • Razor Pages: Enhances productivity with a page-focused coding model.
  • Blazor: Enables the use of C# in the browser alongside JavaScript, facilitating shared server-side and client-side logic written entirely in .NET.
  • Cross-Platform Development: Compatible with Windows, macOS, and Linux.
  • Open Source: Community-driven development.
  • Modern Framework Integration: Seamlessly integrates with contemporary client-side frameworks and workflows.
  • gRPC Support: Facilitates hosting Remote Procedure Call (RPC) services.
  • Cloud-Ready Configuration: Environment-based configuration system.
  • Built-In Dependency Injection: Enhances modularity and testability.
  • Lightweight HTTP Pipeline: High-performance and modular request handling.
  • Flexible Hosting Options: Can be hosted on Kestrel, IIS, HTTP.sys, Nginx, Apache, Docker.
  • Side-by-Side Versioning: Allows multiple versions to coexist.
  • Simplified Tooling: Streamlines modern web development.

Building Web APIs and UIs with ASP.NET Core MVC

ASP.NET Core MVC offers robust features for developing web APIs and applications:

  • MVC Pattern: Ensures testable web APIs and apps.
  • Razor Pages: Simplifies building web UIs with a page-based model.
  • Razor Markup: Provides a productive syntax for Razor Pages and MVC views.
  • Tag Helpers: Integrates server-side code with HTML elements in Razor files.
  • Data Formats and Content Negotiation: Supports multiple data formats to reach various clients.
  • Model Binding: Automatically maps HTTP request data to action method parameters.
  • Model Validation: Ensures both client-side and server-side validation.

Client-Side Development

ASP.NET Core includes Blazor for creating interactive web UIs. It also integrates with popular frontend JavaScript frameworks like Angular, React, Vue, and Bootstrap. For more details, refer to the ASP.NET Core Blazor and client-side development topics.

Target Frameworks for ASP.NET Core

Starting from version 3.x, ASP.NET Core exclusively targets .NET, offering several advantages over the .NET Framework:

  • Cross-Platform Compatibility: Operates on Windows, macOS, and Linux.
  • Enhanced Performance
  • Side-by-Side Versioning
  • New APIs
  • Open Source Development

By targeting .NET, ASP.NET Core continues to improve with each release, ensuring a modern, efficient, and versatile development experience.

And coming back to the main topic, NET is far from being a dying language or framework. It continues to evolve and adapt to the ever-changing technological landscape. The introduction of .NET Core is a testament to Microsoft’s commitment to modernizing the framework, making it more open-source and cross-platform.

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