1. Jean-Claude Trachsel Senior Consultant, Trivadis AG jean-claude.trachsel@trivadis.com The good news

2. What is ASP.NET MVC Features of Version 2 What about the «real life»? Summary

3. A short introduction

4. Framework based on Model-View-Controller Pattern Separation of Concerns Framework is focusing on... Pure Web Development Stateless, no ViewState Full control over markup Testability TDD, Unit Tests Maintainability Extensibility and Flexibility Modern aspects like AOP, DI, IoC

5. ASP.NET Web Forms ASP.NET MVC ASP.NET Framework.NET Framework

6. Visual Studio Template Controller and View Unit Test

7. Areas, Validation, Typed UI Helpers, etc.

8. Goals of the DevTeam for Version 2 More Productivity More Security More Performance More Extensibility More Happiness

9. Areas Validation Typed UI Helpers UI Helper Templates Async Controllers

10. Single Project and Multi Project Areas

11. Enterprise ready with Areas Structure your Solution with... Single Project Area Multi Project Area Easy re-use of Code

12. Single Project Area Folder Structur Route Class Inherits from AreaRegistration Defines the route to the Controller Global.asax Register the area routes

13. Single Project Areas

14. Data Annotations Attributes

15. Data Validation with DataAnnotations Attributes Introduced with.NET 3.5 SP 1 Benefits of DataAnnotations Attributes Set in one central place, on the model Used by different Technologies Used in ASP.NET Dynamic Data Used in WCF RIA Services

16. Set Attributes on the Model [MetadataType(typeof(ProductMetadata))] public partial class Product { } public class ProductMetadata { [Required] public string Name { get; set; } }

17. Attributes that are available Required Range RegularExpression StringLength CustomValidation Build your own

18. Server Site Validation ModelBinder Class Client Site Validation jQuery Validation Library

19. Validation with DataAnnotation Attributes Server- and Client Site

20. ...and the UI Helper Templates

21. HtmlHelper Extensions ASP.NET MVC 1 ASP.NET MVC 2 p.ProductID)%>

22. Benefits are... Intellisense Compile Time Support Type based rendering Support for standard and complex types

23. Extend the Typed UI Helper Methods Define the Rendering via UserControls Supports standard and complex types Used by... Name Convention UI Helper Method Parameter ViewModel Attributes

24. Typed UI Helpers UI Helper Template for DateTime

25. Be smart, be fast

26. public class HomeController : AsyncController { public void NAMEAsync() { AsyncManager.OutstandingOperations.Increment(3); // Do all Tasks asynchronouse } public ActionResult NAMECompleted(object params) { // Do final work return View("NAME"); }

27. Async Controller is a Server Side Pipeline For Async Clinet/Server Requests use AJAX Do Multiple Tasks at once Get data from different stores at the same time Prevent Blocking of the Webserver Worker Threads are not blocked No Thread starvation

28. Use synchronouse pipelines Operations are simple or short-running Simplicity is important Use asynchronouse pipelines Operations are network-bound or I/O-bound Parallelism is important Provide a mechanism to cancel long-running request

29. Async Controllers

30. Experience from current projects

31. It’s a Paradigm Shift Can be hard for MS Win-/WebForms Developers Easier for PHP, Java, etc. Developers It’s a lot of Client Side Programming New Know-How is needed

32. Convention over Configuration Easy to understand New Team Members Maintenance More Unit Tests Better Quality Less Bugfixing Better Reusability

33. No reuse of existing... Concepts Frameworks Controls Loss of Functionality (GUI)Libraries

34. 3, 2, 1, go

35. New Web Development Paradigm perfect for... TDD, Large Projects and Teams Many new Features to gain... Productivity and happiness Use ASP.NET MVC When ever you can Use ASP.NET WebForms Need to use existing Frameworks, Libs or Controls No time to establish needed Know-How

36. Productivity Tasked based helpers Validation Improvements Ajax Multiple Partial Updates Client Templates Support Architecture Dependency Injection at all levels MEF Controller (Managed Extensibility Framework) Performance Improved Caching More Control over Session

37. Websites http://www.asp.net/mvc http://www.codeplex.com/aspnet Blogs http://www.haacked.com/ http://weblogs.asp.net/scottgu http://www.hanselman.com http://stephenwalther.com/blog

38. For more Information please contact Jean-Claude Trachsel Senior Consultant jean-claude.trachsel@trivadis.com 076 4000 900 Trivadis AG Europastrasse 5 8152 Glattbrugg

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