KNOW WHAT IS MVC AND DEVELOP A SIMPLE APLICATION

Prabhukiran345
Posted by in ASP.NET MVC category on for Beginner level | Points: 250 | Views : 3974 red flag
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* Introduction To MVC
* Why Asp.net MVC over Asp.net Web Forms
* MVC Architecture-Overview
* MVC Request Life Cycle
* Basic Example –Explain

SUBJECT

KNOW WHAT IS MVC AND DEVELOP A SIMPLE APLICATION

CONTENT


OUR AGENDA:
  • Introduction To MVC
  • Why Asp.net  MVC over Asp.net Web Forms
  • MVC Architecture-Overview
  • MVC Request Life Cycle
  • Basic Example –Explain

INTRODUCTION TO MVC:

MVC  Stands for MODEL VIEW CONTROLLER. It is a “Standard design Pattern”

MVC Versions are:


Why ASP.NET MVC over ASP.NET WebForms :

  • There is a clear separation between your UI and Code and Business Logic
  • Enables full control over rendered HTML, JavaScript and CSS
  • Easy integration with JavaScript Frameworks (like  jQuery).
  • No Server side controls, No Post back's, No View State. So that, improves performance also.
  • Enables a Perfect URL Routing; hence the URL will be user-friendly and SEO friendly.
  • Ease for Unit testing

MVC Architecture :



Model (Data Access Layer) :
  • A model is a class, which provides necessary structure of the data, using properties.
  • In real time applications, we map the models with databases.
EX:
class  CustomerModel
{
        public  int  CustomerID { get; set; }
        public  string  CustomerName { get; set; }
       public  string Phone { get; set; }
Very Important: 
  • A model should be called by the controller / view.
  • A model can't call the controller / view also.
Controller (Business Access Layer) :
  • A Controller is a class, which accepts the request from browser, access the data from databases (using models), and also provides the necessary data to the view.

EX:
class  CustomerController : Controller
{
       public  void  ViewCustomer()
        {
                //receive database data using 
//call the view and pass necessary data to view
        }
Very Important: 
  • A controller can receive the request from the client (browser).
  • A controller can call the view and model directly.
  • A controller's common responsibility is:  to fetch the data from model and serve it to the view.
  • A controller can't be called by the view / model.
View (Presentation Layer) :
  • Views are the components that display the application's user interface (UI).
EX:
Customer.cshtml
<div>
    @Model.CustomerID
    @Model.CustomerName
    @Model.Phone
</div>


Very Important: 
  • A view can call the model. (with the support of controller)
  • A view should be called by the controller.
  • A view can't call the controller.

MVC Request Life Cycle :



View Engine :
  • View Engine: It is the code syntax, that we have to use, while writing C# code in the views (pages).


Basic Example :

Step1: Open visual studio and select Asp.Net MVC application

 
Step 2:Select the application type that you needed that is Empty or internet or intranet..
 
Step3: Select the View Engine type that you are intended to develop

 
Step4: Creating Controller. Right click on controller folder and add Controller.

 
Step5: Adding a view.. Right click on the method that we want to create view and click “Add View”.

 
Step6:Adding Model… Right click on Model folder and add “class”.

 
Step7: Routing concept.. That to set Home page..

 
Step8: Set your Controller name and view name for Home page.

 
Action Results and Helper methods:


Conclusion

Hope this article helps for all MVC beginners. 

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About the Author

Prabhukiran345
Full Name: Prabhu Kiran Bommareddy
Member Level:
Member Status: Member
Member Since: 4/17/2013 5:47:00 AM
Country: India
Thanks, Prabhu Kiran Bommareddy
http://www.dotnetfunda.com
Working For MNC @ Hyderabad as Associate Software Developer,B.Tech graduate.

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