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There is a variety of programming languages available on the .Net platform, VB.Net, and C# being the most common ones. It is used to build applications for Windows, phone, web, etc. It provides a lot of functionalities and also supports industry standards. ASP.NET is an open-source web framework for building web apps on the .NET (dotNET) framework. It is created by Microsoft and version 1.0 was released in 2002 to allow developers to build dynamic web apps, services, and sites.

These are also based on the .NET Framework and share core functionalities of .NET and ASP.NET. It provides fast and lightweight way to combine server code with HTML. It also provides other features like you can create beautiful sites that conform to the latest web standards. It gives us a MVC (Model View Controller), patterns-based way to build dynamic websites. It enables a clean separation of concerns and that gives you full control over markup for enjoyable, agile development.

Loved by developers, used by thousands around the world!

On top of the three key components in the framework, it also extends .NET with other tools to make life easier for a web developer. One of these is the templating syntax used for websites called Razor. This templating syntax is heavily used in building dynamic web pages in C# and enables working with master pages and templates to create web pages with dynamic values and content.

what is asp net framework

While ASP.NET is still supported and updated by Microsoft, most of their focus going forward will be to develop the new .NET Core platform. You can consider your site to be .NET 3.5 if you have included those libraries and are using their features such as Linq. This runtime has several extensions to it, and .NET 3.5 is one – it still uses the .NET 2.0 runtime. What you are getting the the version of the .NET runtime that the ASP.NET site is running under.

Third-party frameworks

ASP.NET is an open-source,[2] server-side web-application framework designed for web development to produce dynamic web pages. It was developed by Microsoft to allow programmers to build dynamic web sites, applications and services. The name stands for Active Server Pages Network Enabled Technologies. This makes it possible for third parties to create compatible implementations of the framework and its languages on other platforms. It serves as the execution engine of .NET Framework and offers many services such as memory management, type safety, exception handling, garbage collection, security and thread management.

what is asp net framework

It also provides many features that enable fast development for creating outstanding applications. In this article, I will compare and contrast these three platforms in terms of their features, characteristics, advantages, and disadvantages. We will also discuss the evolution of the .NET ecosystem, the considerations for migration, and the future outlook of .NET development. what is ASP.Net – This is utilized for developing applications based on the web, which is created to run on every browser, such as Internet Chrome or Firefox Explorer. Gets a Version object that describes
the major, minor, build, and revision
numbers of the common language
runtime. My issue is on the new server with Microsoft.SqlServer.ConnectionInfo.dll.


These codes could be utilized in the complete hierarchy of levels in it. For example, ASP.NET application codes could be produced in the following languages such as C#, J#, Jscript, and Visual Basic.Net. It could also be utilized to generate reciprocated and web applications operated through data across the internet. It comprises of abundant controls like the buttons, text boxes, and labels for compiling, configuring, and handling the code to build HTML pages. ASP.NET is a web application framework designed and developed by Microsoft. ASP.NET is an open-source and a subset of the .NET Framework and successor of the classic ASP(Active Server Pages).

  • Only who knows their private key (of the double-key cryptography system) can sign assemblies that have the same strong name as a prior version assembly.
  • As such, computer code written using .NET Framework is called «managed code».
  • We will also discuss the evolution of the .NET ecosystem, the considerations for migration, and the future outlook of .NET development.
  • The user needs only a web browser to access a web application.
  • FCL is much larger in scope than standard libraries for languages like C++, and comparable in scope to standard libraries of Java.

The application communicates with a SQL Server database and includes reference to Microsoft.SqlServer.ConnectionInfo.dll in web.config. Before EF8, there was no efficient way to map the third type of object. Owned types could be used, but they are actually entity types and have a key and semantics based on the value of that key. «You can now use Xcode 15 betas as your installation for building apps and managing simulators, and this will be available in the next releases of Visual Studio,» Microsoft said. «In the next release of .NET 8 we will begin to introduce new APIs for Apple SDKs like iOS 17. We have verified this with Xcode 15 Beta 6, though newer releases may work the same.» WinForms – This is utilized for developing applications based on Forms, which would operate on an end-user’s machine.

Key Features and Characteristics

Also, parts of FCL have Windows-specific functions and behavior, so implementation on non-Windows platforms can be problematic. Because of this feature, .NET Framework supports the exchange of types and object instances between libraries and applications written using any conforming CLI language. On the other hand, it is also clear that .NET 6 is the future of .NET development. They offer superior performance, compatibility, features, and capabilities that make them ideal for developing modern and innovative applications for various platforms and devices.

Classic ASP pages have the file extension .asp and are normally written in VBScript. When a browser requests an ASP or ASP.NET file, the ASP engine reads the file, executes
any code in the file, and returns the result to the browser. Both technologies enable computer code to be executed by an Internet server. Similarly, you could also relish numerous advantages with ASP.Net. Only face the drawbacks with operating expertise and understanding, and you can simply build great quality apps as well as websites.

.NET Framework

With version 1.0 of the .NET Framework, it was first released in January 2002. So a question comes to mind that which technology we were using before the year 2002 for developing web applications and services? ASP.NET is open source and a subset of the .NET Framework and successor of the classic ASP(Active Server Pages). FCL provides the user interface, data access, database connectivity, cryptography, web application development, numeric algorithms, and network communications.

what is asp net framework

The ASP.NET includes the base libraries from the .NET framework but also includes libraries for common web patterns. One such library is Model View Controller (MVC), which enables you to use the MVC design pattern for designing web apps and sites. The MVC pattern lets you build a web application as a composition of three roles – a business layer, a display layer, and input control. ASP.NET is built on the CLR(Common Language Runtime) which allows the programmers to execute its code using any .NET language(C#, VB etc.).

Community and Support

The user needs only a web browser to access a web application. The web applications which are developed using the .NET framework or its subsets required to execute under the Microsoft Internet Information Services(IIS) on the server side. 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. BCL classes are available in .NET Framework as well as in CLI’s alternative implementations including .NET Compact Framework, Microsoft Silverlight, .NET Core and Mono. As mandated by the specification, assemblies are stored in Portable Executable (PE) file format, common on Windows platform for all dynamic-link library (DLL) and executable EXE files. Each assembly consists of one or more files, one of which must contain a manifest bearing the metadata for the assembly.