Asp net mvc refresher course

Introduction to ASP.NET

ASP.NET is a popular programming language used for building web applications. It is a part of the Microsoft .NET framework and provides with a powerful and flexible platform for creating dynamic websites and web services.

What is ASP.NET MVC?

ASP.NET MVC is a framework within ASP.NET that stands for Model-View-Controller. It is a pattern that separates the application logic into interconnected components – the model, the view, and the controller.

Model

The model represents the data and business logic of the application. It defines the structure and behavior of the data that is used by the application. In ASP.NET MVC, the model is responsible for retrieving and manipulating data from the database or other data sources.

View

The view is responsible for presenting the data to the user. It defines the layout and appearance of the user interface. In ASP.NET MVC, the view is typically an HTML template that is rendered by the web .

Controller

The controller acts as an intermediary between the model and the view. It user input from the view, processes it, and updates the model accordingly. It also determines view should be displayed to the user based on the state of the application.

Example: Creating a Simple ASP.NET MVC Application


// Controller
public  HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }
}

// View (Index.cshtml)
@{
    ViewBag.Title = "Home Page";
}

Welcome to my ASP.NET MVC Application!

This is a simple example of an ASP.NET MVC application.

In this example, we have created a HomeController class that inherits from the Controller class provided by ASP.NET MVC. The Index method of the HomeController returns a ViewResult, which is responsible for rendering the corresponding view.

The view, named Index.cshtml, is a simple HTML template that displays a welcome message to the user. It uses the ViewBag object to set the title of the page dynamically.

Conclusion

ASP.NET MVC is a powerful framework for building web applications. It follows the Model-View-Controller design pattern, which helps in separating the concerns and making the application more maintainable and testable. By understanding the basics of ASP.NET MVC and practicing with examples, developers can create robust and web applications.

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