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Introduction to MVC.NET

Different technologies use the Model-View-Controller (MVC) architecture. Here, "M," "V," and "C" stand for, respectively, "MODEL," "VIEW," and "CONTROLLER."

MVC is not a language or a technology; it is architecture. Most businesses use the MVC design pattern when creating various applications. This design does not require a separate technology or language to operate.

The topic of ASP.NET MVC will be covered in this lesson. Microsoft created the web application framework known as ASP.NET MVC. The model-view-controller (MVC) design paradigm is used in this framework. It aids in the development of web applications that are well-structured. In 2007, Microsoft launched ASP.NET MVC.

Microsoft.NET Framework 3.5 is the very minimal requirement for constructing an ASP.NET MVC application. The System.Web.Mvc assembly in ASP.NET contains the MVC framework definitions.

The MVC framework includes the following components:

Models: A model puts the application's data's logic into practise. Model is essentially a class written in C# or VB.NET that retrieves and stores model state in a database. Let's say your SQL Server database contains an Employee table. The Employee object may use information it has retrieved from a database, update that information, and then write it back to the Employee table.

Views: A view is a representation of your application's user interface (UI). Your user interface is often mapped using model data. If your model data consists of employee objects, you can design a user interface (UI) that shows text fields, drop-down menus, grid views, and check boxes dependent on the status of the employee objects.

Controllers: The MVC architecture's central component is the controller. The parts that coordinate the connection between the view and the model are known as controllers. Input is processed by the controller, who also works with the model and renders the view. The controller in an MVC application manages and reacts to user input and interaction whereas the view only shows information.

Why Should You Take an MVC.Net Course?

Numerous advantages, both actual and perceived, that ASP.NET MVC offers include:

  • Separation between UI (Views) and logic-related concerns (Controllers).
  • Written with testing in mind. Simplifies TDD (Test-Driven Development)
  • At the controller or model level, you can specify your validation framework.
  • built-in assistance for jQuery, AJAX, and the vast array of other tools that make up the MVC Ajax Toolkit
  • Web API is supported quite well.
  • It is open - source software.
  • It is simple to develop since it employs the same essential ideas as ASP.NET Web Forms but does not include web forms.

Frequently Asked Questions

The Model-View-Controller (MVC) architectural pattern divides an application into three main logical components: the model, the view, and the controller. Each of these components is made to deal with specific aspects of application development. MVC is one of the most extensively used and well-liked web development frameworks for creating scalable and adaptable projects.

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Freshers - MVC.Net Interview Questions and Answers

In MVC, action methods are defined by controllers, and UI controls and these action methods are mutually exclusive. Example: The UserAdd and UserDelete functions are found in the UserController class. But frequently, we want to take some action either before or after a specific operation. Pre- and post-action behaviours can be introduced to the controller's action methods using the ASP.NET MVC capability.

  • The information that the software will utilise to operate can be referred to as a model. The database, a simple object carrying data (like any multimedia file or a game character), a file, etc. are frequently used examples of models in MVC.
  • A view is a mechanism for an application to display objects (user interfaces). End users will communicate specifically through this vertical.
  • The third vertical, a controller, is in charge of updating both models and views. Users' input is welcomed, and an equivalent update is also made. In other words, the controller is in charge of handling user interaction.

We must complete 4 separate steps in order to generate a request object. Which are:

  1. Fill the route in first.
  2. Fetch the route in step two.
  3. Create a request context in step three.
  4. Create a controller instance in step four.

When adding routes to a webform application, we use the MapPageRoute() method from the RouteCollection class. While adding routes to an MVC application requires the MapRoute() function.

While an MVC action is being executed, logic is carried out via ActionFilters. Action filters also enable the use of action methods and pre- and post-processing logic.