MVC Overview and Controller and View Example

Model View Controller (MVC)
It is an architectural pattern that divides an application into three main components: the model, the view, and the controller. It is used for creating Web applications.

The MVC framework includes the following components:

1. Model: It implements the logic for the application's data domain. Model objects retrieve and store model state in a database.
2. View: It is responsible for User Interface. The interface that will be shown to user.
3. Controller: It handles the user interaction, work with the model and select the underlying view which needs to be shown to user.

Advantages of MVC

1. No View State and Server side controls in MVC. This will reduce the response time from server and also the bandwidth because page size is reduced and no conversion time required from asp controls to HTML controls because we are using HTML Controls.
2. Easy manageable by dividing an application into the model, the view, and the controller
3. Parallel development can be done in a better way. Business team can build the data logic, while t UI developers can design User Interface simultaneously,

Controller Example

Step 1 : Create new MVC Project

Step 2 : Change the Name, Location of Project

Step 3 : Choose Empty MVC Application

Step 4 : Create Controller

Step 5 : Put the given Code in Controller and Press F5

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Mvc;

namespace MVCExample.Controllers

{

    public class HomeController : Controller

    {

        //

        // GET: /Home/

        public string Index()

        {

            return "This is Controller Example";

        }

       }

}

 View Example

Step 1 : Right click index and select Add View

Step 2 : Index view will be created in Home Folder inside Views Folder.

Put the following code in View and press F5

@{

    ViewBag.Title = "Index";

}

<h2>This is a View</h2>

 Step 3 : If below error occurs than follow the given steps

Step 4 :  Go to Manage Nuget Package and Install/Update Microsoft ASP.NET MVC

Step 5 : Run the Application