What’s new in ASP.NET MVC 3 Building a NerdDinner/AppStore Application

Introducing NerdDinner.com

nerddinner.codeplex.com Free PDF walkthrough (updated to 2.0) –tinyurl.com/aspnetmvc

Introducing NerdDinner.com

What’s new in ASP.NET MVC 3 Razor View Engine Multiple View Engine Support Validation Improvements Dynamic ViewBag Global Filters New ActionResults Project Dialog Improvements VBHTML Support Task-based Helpers Improved Dependency Injection Porting MVC Script Libraries to jQuery Granular ValidateInput Add View Dialog Improvements Project Dialog Extensibility Improvements Improved Caching Support JSON Binding Support

What’s new in ASP.NET MVC 3 Razor View Engine Multiple View Engine Support Validation Improvements Dynamic ViewBag Global Filters New ActionResults Project Dialog Improvements VBHTML Support Task-based Helpers Improved Dependency Injection Porting MVC Script Libraries to jQuery Granular ValidateInput Add View Dialog Improvements Project Dialog Extensibility Improvements Improved Caching Support JSON Binding Support

Upgrading ASP.NET MVC 3 Application Upgrader tinyurl.com/upgrademvc3

Multiple View Engine Support

protected void Application_Start() { ViewEngines.Engines.Add(new SparkViewFactory()); … } protected void Application_Start() { ViewEngines.Engines.Add(new SparkViewFactory()); … }

Razor Clean & Concise Based on Existing Languages Intellisense Code Colorization Unit Testing Support

Syntax Comparison Web Forms 6 transitions Razor 2 (int i = 0; i < 10; i++) (int i = 0; i < 10; i++) }

Layouts Layout="~/Views/Shared/_Layout.cshtml"; Menu { Item 1 Item 2 Layout="~/Views/Shared/_Layout.cshtml"; Menu { Item 1 Item 2 }

Web Forms to Razor Open Source Razor Converter github.com/telerik/razor-converter

DEMO Views using Razor

Filters Declarative Cross-cutting concerns Custom filters Supported since version 1

Types of Filters IActionFilter IResultFilter IExceptionFilter IAuthorizationFilter

Filters Example [HandleError] public class BlogController : Controller { [HandleLogging] public ActionResult Index() { return View(); } } [HandleError] public class BlogController : Controller { [HandleLogging] public ActionResult Index() { return View(); } }

Global Filters No longer need attributes Applies to all actions on all controllers

Global Filters protected void Application_Start() { GlobalFilters.Filters.Add(new MyActionFilterAttribute()); … } protected void Application_Start() { GlobalFilters.Filters.Add(new MyActionFilterAttribute()); … }

DEMO Logging Errors with Global Filters

Dynamic ViewBag Accessible via properties Properties map to ViewData entries Late-bound

DEMO Converting to Dynamic ViewBag

New Action Results HttpNotFoundResult RedirectResult HttpStatusCodeResult

DEMO Using New Action Results

JavaScript and AJAX JSON Binding jQuery Validation Unobstrusive JavaScript –Separation of Presentation and Content –No errors if AJAX isn’t supported RemoteAttribute

Unobtrusive JavaScript HtmlHelper.UnobtrusiveJavaScriptEnabled = true; code web.config

Unobtrusive JavaScript HtmlHelper.UnobtrusiveJavaScriptEnabled = true; code web.config

Client Validation HtmlHelper. ClientValidationEnabled = true; code web.config

DEMO Remote Validation

Resources Software Application Developers Infrastructure Professionals

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