ASP.NET MVC 4 Overview

23.10.2012

Gunnar Peipman

About me

• Name: Gunnar Peipman• From: Tallinn, Estonia• MVP: ASP.NET, 5 years• Job: developer, architect,

consultant• Community: speaker, blogger• Hobbies: new tech, beers,

heavy metal, national cuisinestravelling

Agenda

• New project templates• Support for DotNetOpenAuth• Bundling and minification• Device based filtering• Mobile enhancements• Task support for async controllers• ASP.NET Web API• What is coming next?

New project templates

Available templates

• Empty• Basic• Internet application• Intranet application• Mobile application• Web API• Single Page Application

Support for DotNetOpenAuth

What is DotNetOpenAuth

• Library that supports different external authentication systems

• Supported:– Twitter– Live ID– Google Accounts– Facebook– All othet OAuth providers

• Now ships with ASP.NET MVC

How it is used in MVC?

• Coming with internet application template• Switched off by default• Easy to enable and use• Users can log in through external systems• Users can join their different accounts on your

application level

Demo: DotNetOpenAuth

Bundling and minification

Why bundling and minification?

• Bundling: files of same time are concatenated • More than one group of files is supported• Saves some requests to web server• Minificaton: making script and css files smaller• Whitespace is removed• For JS it is possible to use short names of vars• Saves some bandwidth • For user: page loads faster

Demo: Bundling and minification

Results

Files Size

No optimizations 21 750KB

Bundling and minification 10 337KB

52% 55%

Mobile enhancements

New mobile sites

• Built on jQuery mobile• Support bundling and minification• Can use device based views• Can use CSS media queries• Support Viewport meta tag

Demo: Mobile site in action

Device based filtering

Era of multiple devices

What are challences?

• Different screen sizes• Support for touch/multi-touch• Different technical platforms

Device based filtering

• ASP.NET MVC detects devices automatically• If there is view for device then it is used

automatically• Device settings can be overridden in code

Demo: Device based filtering

Task support for async controllers

ASP.NET Web API

What is Web API?

• Simple and lightweight framework extension to write Web 2.0 API-s

• Uses ASP.NET MVC framework• Makes use of HTTP standard command• Supports content negotiation• Supports self-hosting

Web API and WCF

• Web API:– is quick and simple service layer– is scaled with web application– perfect fit for modern public web apps and their API-s

• WCF: – is powerful enterprise-class service framework– scales differently than web application– supports complex components like workflows

Demo: Web API controllers

What’s coming next

Planned for Fall 2012 Update

• SignalR• Support for Windows Azure Active Directory• Web API – OData, tracing, help page generation• Single Page Application• Project template for Facebook applications• Web optimization framework update• NuGet update• Providers system update

Thank you for your attention.

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