c# Difference between ASP NET Core .NET Core and ASP.NET Core .NET Framework

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Microsoft launched ASP.NET web framework along with .NET Framework 1.0 in 2002. However, the development of ASP.NET 5 was stopped in favor of

ASP.NET Core. At Umbraco we have 2 major releases every year, and will upgrade to the newest version of the .NET Framework once a year so Umbraco stays on the latest version. By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

what is asp net framework

ASP.NET is a mature, server-side web development framework from Microsoft. Developers use ASP.NET to create dynamic websites, web apps, and web-based services. After decades of development, the framework persists today as ASP.NET Core. It has ability to host on IIS, Nginx, Apache, Docker, or self-host in your own process. Despite being a new framework, built on a new web stack, it did have a high degree of concept compatibility with ASP.NET.


Notepad is one of the examples of an application based on the client. It’s the fruition of many years of hard work by Umbraco HQ and the Umbraco community. With the release of Umbraco 9, in September 2021, the CMS has been updated to run ASP.NET Core. This has ensured that Umbraco can stay on top of all new features and improvements that will come for .NET in the future. Umbraco 9 provides a solid foundation for a thriving open-source CMS, based on relevant technology, flexible development, and a great editing experience.

The ASP.NET Core framework has been rewritten, but has a high degree of compatibility with its predecessor. Previously separate components of ASP.NET were merged into the Core version. Furthermore, some components were redeveloped and retained their existing names. For example, the SignalR Framework exists in both ASP.NET and ASP.NET Core versions. For cases where application logic is less important than a sophisticated layout and design, ASP.NET Web Pages are a good choice. Like classic ASP or PHP, a combination of static HTML structures and dynamic code components takes place within a file so that a special syntax is used.

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The work of IIS is to provide the web application’s generated HTML code result to the client browser which initiates the request as shown in the below diagram. The biggest advantage of ASP.NET – the use of the Microsoft-specific ecosystem – is also its main disadvantage. That’s because web development is otherwise largely built on free and open platforms, languages, and formats. Developers diving into the .NET universe for the first time are presented with a bewildering array of versions and programming models. ASP.NET or ASP.NET Core provides a mature environment for developing a wide variety of web projects.

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Thus, it is a set of processes and features that could be used for the key motive. For instance, there is a class library with processes to manage all file operations. Consequently, there is a process that can be utilized to examine the content from a file. ASP.NET is the successor to the ASP (Active Server Pages) technology and was a significant upgrade in terms of flexibility and power.

ASP.NET Core: new developments through an open-source license

The source code of the project is available under an open-source license. Furthermore, in .NET 8 RC2, changes have been made to the Blazor WebAssembly project templates. The Blazor WebAssembly App template is now named Blazor WebAssembly Standalone App since it no longer includes the ASP.NET Core hosted option. The HTTP logging middleware now offers enhanced extensibility with several new features.

  • This allows you to optimize your app to include only the necessary NuGet packages.
  • These libraries enable enhanced performance and API consistency while ensuring full compatibility with Native Ahead-of-Time (AOT) compilation.
  • This complete rewrite of ASP.NET unites the previously separate ASP.NET MVC and ASP.NET Web API into a single programming model.
  • The HTTP logging middleware now offers enhanced extensibility with several new features.
  • Consequently, there is a process that can be utilized to examine the content from a file.

More specifically, Microsoft-specific visual rapid application development (RAD) tools were used. CLR is a platform on which the .Net programs are implemented and have characteristics such as exception handling, garbage collection, and working with numerous languages. In-Class Library, the .NET Framework incorporates a collection of conventional class libraries.


The initial blog post outlined specific known issues, with plans for resolution in the upcoming .NET 8 release. Additionally, the original announcement blog post contains an engaging comment section, encouraging interaction between the community and the .NET team. It is advisable for readers to delve into it for valuable additional insights about the RC 2 release. Blazor has introduced support for injecting keyed services using the [Inject] attribute. This enables the scoping of service registration and consumption when using dependency injection, providing more flexibility in managing services.

what is asp net framework

This makes Blazor roughly comparable to React, Angular, and Vue technologies. In contrast to the original ASP, Web Forms were a step towards separation of concerns. what is asp.net With ASP, static HTML and code components were mixed in one and the same file. With Web Forms, the separation into template and Code Behind files occurred.

Common Language Runtime

Only face the drawbacks with operating expertise and understanding, and you can simply build great quality apps as well as websites. ADO.Net – This technology is utilized for application development to communicate with Databases such as Oracle or Microsoft SQL Server. The latest version of ASP.NET is the cross-platform version that was initially called ASP.NET Core, which was released in 2016. In November 2020, Microsoft simplified the name and removed “Core” from the name. This means that new releases will simply be called .NET followed by a version number. A new version is released in November every year, meaning that .NET 5 was released in 2020, .NET 6 in 2021, and so forth.

We can also use editors such Visual Studio Code, Atom to run the application. Find centralized, trusted content and collaborate around the technologies you use most. In 2016, Microsoft launched ASP.NET Core framework which can run on Windows, Mac, and Linux using .NET Core framework.

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This enables the development of highly dynamic web applications with a modular user interface and underlying API. Familiar approaches from .NET API development can be transferred to MVC development and vice versa. SignalR is a framework for real-time communication between client and server.

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