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Top 5 Changes in Web Development Introduced by ASP.NET 5 and MVC 6

The web development industry is a very volatile space and web development technologies, including ASP.NET and MVC, have changed a lot over the years. ASP.NET 5 and MVC 6 have been rebuilt from scratch so that they conform to the newer technology propositions and support modern web applications and services. They have also transcended into a totally new format to make it available as cross-platform; now they are open source and work both on cloud and on-premise.

The five major changes in ASP.NET 5 and MVC 6 are as follows:

ASP.NET on Linux and OSX

ASP.NET is opened up to a whole new audience of web development specialists as you can now run ASP.NET 5 applications on OSX as well as Linux. This will also widen the horizons of ASP.NET MVC specialists and provide opportunities for other developers to work with .NET framework with better capacity.

No more Web Forms and Visual Basic

Web Forms are no longer part of ASP.NET 5 and there is no support for Visual Basic; it only supports C#. However, you can build apps of Web Form through Visual Studio targeting .NET framework 4.6 but you won’t be able to get the benefit of new features in ASP.NET 5.

Support for client-side development

AngularJS is the most undisputed choice of developers as a client-side framework for creating single page applications (SPAs). And the good news is that ASP.NET 5 is all tuned with AngularJS and it will allow you to create SPAs seamlessly. Moreover, you can use tag helpers to create views in ASP.NET MVC applications.

Furthermore, now you can create, concatenate and minify CSS and JavaScript files with GruntJS. In addition to this, you have support for Bower to enable you to distribute multiple client-side resources without any lags.

Unified Web API and MVC Controllers and View Components

Unlike other versions of MVC, MVC 6 uses only a single controller class for both the Web API and the MVC controllers. Moreover, MVC 6 returns an IActionResult through controllers which enable you to use it as data when the controller of Web API is used. In MVC 6 view components have been added instead of sub-controllers. Furthermore, it utilizes a different technology known as View Components rather than Html.Action helper method used by previous releases.

ASP.NET Dependency injection and

Now there is no need to take the help of third-party Dependency Injection frameworks such as AutoFac and Ninject because ASP.NET 5 has support for the pattern of Service Locator and the dependency injection.

Furthermore, a legacy testing framework is no longer present in ASP.NET 5 rather it contains framework for testing. Earlier two attributes known as [TestMethod] and [TestClass] were used to describe a unit test. Now, framework in ASP.NET 5 uses [Fact] attribute rather than [TestMethod] attribute and there’s no [TestClass] in the new framework.

An example of the code snippet is using framework is depicted below:

public class Tests



public void SumofNumbers ()


// Arrange

var testcalculator = new Calculator ();

// Act

var result = testcalculator. SumofNumbers (1, 1);

// Assert

Assert. Equal (result, 13);



Microsoft is advancing from proprietary to open source. With ASP.NET 5 and MVC 6, the tech giant is making some positive moves. What’s your perspective about the changes mentioned above? Will it make any change to your development experience? Please share your views with us by leaving your comments below.

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1 Comment

1 Comment

  1. Thomas

    November 22, 2017 at 11:33 am

    Very useful info. To support modern web applications and services ASP.NET 5 and MVC 6 has been rebuilt.

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