Hands on - PowerPoint Presentation

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Hands on

ASP.NET MVCSlide2

Dev

One

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About Dev One

ASP.NET MVC – Hands on

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Presentation

What is MVC?

MVC on the web todayASP.NET MVCTimelineComparison with ASP.NET web formsWhat web forms does wellWhere web forms doesn’t fitASP.NET MVC believes

Should you fear ASP.NET MVC?The MVC patternModelViewControllerWhat’s new in ASP.NET MVC 3DemosQ & AASP.NET MVC – Hands on3AgendaSlide4

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PresentationSlide5

The MVC pattern is 30+ years old!

It is a powerful and elegant means of separating concerns

It makes it easier to test applicationIt promotes parallel development thanks to the loose coupling between the three main componentsASP.NET MVC – Hands on

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Ruby on RailsDjango and Python

Spring, Struts and Java

Zend Framework and PHPMonoRail…ASP.NET MVC – Hands on

6MVC on the web todaySlide7

Separation of application tasks (input logic, business logic, and UI logic), testability, and test-driven development (TDD) by

default

An extensible and pluggable frameworkA powerful URL-mapping component that lets you build applications that have comprehensible and searchable URLsConvention over configurationDon’t repeat yourself, keep it simple (DRY/KISS principles)

ASP.NET MVC – Hands on7ASP.NET MVCSlide8

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TimelineSlide9

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ASP.NET MVC – Hands on

Comparison with ASP.NET web formsSlide10

Represent a Page as control tree

Give these server-side controls events like their desktop counterparts

Hide as much HTTP and HTML as is reasonableMake state management as transparent as possibleASP.NET MVC – Hands on

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ViewState

is powerful, but it has its drawbacks (weight,…)

Page life cycle can be a nightmareLimited control over HTMLClient IDs and the ctl00$ContentPlaceHolder1$UserControl1$TextBox1 syndromeIt’s nearly impossible to run a Web Form through its life cycle outside IIS

ASP.NET MVC – Hands on11Where web forms doesn’t fitSlide12

Guiding tenets:

Be extensible, maintainable, and flexible

Be testableGet out of the user’s way when necessaryServing methods, not filesSeparation of concernsScottHa said: « ASP.NET MVC is Web Forms unplugged »

ASP.NET MVC – Hands on12ASP.NET MVC believesSlide13

ASP.NET MVC is built on top of ASP.NETASP.NET MVC is not a replacement for anything

It is just an alternative

It’s a totally different approachShould you fear ASP.NET MVC?ASP.NET MVC – Hands on

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The MVC patternSlide15

Model

objects are the parts of the application that implement the logic for the application’s data domain

Viewcomponents that display the application’s user interfaceControllercomponents that handle user interaction, work with the model, and ultimately select a view to render

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Business logic and validation of the application’s data domain

Totally independant from the views or the controllers

Model state can be stored in memory, database, XML files,…ASP.NET MVC – Hands on16

ModelSlide17

Application’s user interface using data from the model

No interaction with the models or the controllers

Views can be strongly typedAlmost no codeASP.NET MVC – Hands on17

ViewSlide18

Handle user interactionQuery the model

Select the right view to render

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ControllerSlide19

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What’s new in ASP.NET MVC 3Slide20

Razor

View EngineSupport for multiple view engineGlobal action filters« 

ViewBag » propertyNew « ActionResult » typesJavaScript and AJAX improvementsClient-side validation enabled by defaultRemote validatorJSON binding supportData annotations metadata attributesValidation interfaces

Dependency injection improvementsPartial-Page Output

CachingGranular Control over Request Validation

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What’s new in ASP.NET MVC 3Slide21

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DemosSlide22

Using the ASP.NET MVC 3 template and playing around with Razor

First data access and display a list of authors

Manage authorsDisplay a list of booksCreate and edit a book using the ViewModel patternSource code available on:

http://vil.rs/qK3rMGASP.NET MVC – Hands on22Book storeSlide23

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Q & ASlide24

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