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Monday, April 27, 2009

MVC - Deciding When to Create an MVC Application

Deciding When to Create an MVC Application

 

The MVC framework is not a replacement of the Web Forms model; you can use either framework for Web applications.

 

However, you must consider carefully whether to implement a Web application by using either the ASP.NET MVC framework or the ASP.NET Web Forms model.
Before you decide to use the MVC framework or the Web Forms model for a specific Web site, weigh the advantages of each approach.

 

Advantages of an MVC-Based Web Application

 

The ASP.NET MVC framework offers the following advantages:

 

  • It makes it easier to manage complexity by dividing an application into the model, the view, and the controller.
  • It does not use view state or server-based forms. This makes the MVC framework ideal for developers who want full control over the behavior of an application.
  • It uses a Front Controller pattern that processes Web application requests through a single controller. This enables you to design an application that supports a rich routing infrastructure. For more information, see Front Controller on the MSDN Web site.
  • It provides better support for test-driven development (TDD).
  • It works well for Web applications that are supported by large teams of developers and Web designers who need a high degree of control over the application behavior.

 

Advantages of a Web Forms-Based Web Application

 

The Web Forms-based framework offers the following advantages:

 

  • It supports an event model that preserves state over HTTP, which benefits line-of-business Web application development. The Web Forms-based application provides dozens of events that are supported in hundreds of server controls.
  • It uses a Page Controller pattern that adds functionality to individual pages. For more information, see Page Controller on the MSDN Web site.
  • It uses view state or server-based forms, which can make managing state information easier.
  • It works well for small teams of Web developers and designers who want to take advantage of the large number of components available for rapid application development.
  • In general, it is less complex for application development, because the components (the Page class, controls, and so on) are tightly integrated and usually require less code than the MVC model.

 

Features of the ASP.NET MVC Framework

 

The ASP.NET MVC framework provides the following features:

 

  • A powerful URL-mapping component that lets you build applications that have comprehensible and searchable URLs. URLs do not have to include file-name extensions, and are designed to support URL naming patterns that work well for Search Engine Optimization (SEO) and Representational State Transfer (REST) addressing.
  • Support for using the markup in existing ASP.NET page (.aspx files), user control (.ascx files), and master page (.master files) markup files as view templates. You can use existing ASP.NET features with the ASP.NET MVC framework, such as nested master pages, in-line expressions (<%= %>), declarative server controls, templates, data-binding, localization, and so on.
  • Support for existing ASP.NET features. ASP.NET MVC lets you use features such as forms authentication and Windows authentication, URL authorization, membership and roles, output and data caching, session and profile state management, health monitoring, the configuration system, and the provider architecture.
  • Separation of application tasks (input logic, business logic, and UI logic), testability, and test-driven development (TDD) by default. All core contracts in the MVC framework are interface-based and can be tested by using mock objects, which are simulated objects that imitate the behavior of actual objects in the application. You can unit-test the application without having to run the controllers in an ASP.NET process, which makes unit testing fast and flexible. You can use any unit-testing framework that is compatible with the .NET Framework.
  • An extensible and pluggable framework. The components of the ASP.NET MVC framework are designed so that they can be easily replaced or customized. You can plug in your own view engine, URL routing policy, action-method parameter serialization, and other components. The ASP.NET MVC framework also supports the use of Dependency Injection (DI) and Inversion of Control (IOC) container models. DI allows you to inject objects into a class, instead of relying on the class to create the object itself. IOC specifies that if an object requires another object, the first objects should get the second object from an outside source such as a configuration file. This makes testing easier.

 

 

 

 

Thanks & Regards,

Arun Manglick || Senior Tech Lead

 

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