Asp.net mvc 3 - eco 2010
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O documento apresenta as principais características do ASP.NET MVC 3, incluindo seu lançamento como pré-lançamento 1 e as diferenças em relação ao MVC 2. Também discute brevemente os conceitos por trás do MVC e suas vantagens sobre o ASP.NET WebForms, especialmente no que se refere à separação de preocupações.
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Asp.net mvc 3 - eco 2010
- 1. Conhecendo o ASP.NET MVC e as novidades da versão 3 José LinoNeto @joselinoneto contato@joselino.net http://joselino.net Alliston Carlos @allistoncarlos alliston@live.com http://alliston.wordpress.com
- 2. • Como funciona o ASP.NET MVC? • E o que seria MVC? • É o fim dos WebForms? • ASP.NET MVC 2 Stable • ASP.NET MVC 3 Release Candidate
- 3. Caching Modules HandlersIntrinsics Pages Controls Globalization Profile Master Pages MembershipRoles Etc. ASP.NET Um framework web que engloba quase tudo.
- 4. Master Page Control Control Não há reais regras de responsabilidades Apresentção Lógica da apresentação Regras negócio Acesso a Dados Quem faz o que? Como e quando? Control ControlPage Control Control Control Control
- 5. Abstração de controles pode ser negativo.
- 6. Lógica UI
- 10. Request View Controller Response Controller Recebe Entradas dos Usuários (HTTP requests) View Representação Visual dos Modelos
- 11. Não se perca em… /Produtos.aspx?ProdutoID=123 Quando facilmente pode ter… /Produto/Detalhes/123 Ou então o que melhor fizer sentido durante uma migração
- 12. ASP.NET MVC 2
- 15. Download ASP.NET MVC 3 Preview 1 Binaries: http://bit.ly/ahs64M Source: http://aspnet.codeplex.com/releases/view/50092 Blogs http://weblogs.asp.net/scottgu/archive/2010/07/27/introducing- asp-net-mvc-3-preview-1.aspx http://bradwilson.typepad.com/blog/2010/07/service-location- pt1-introduction.html Podcasts / Videos Scott Hanselman: http://bit.ly/9bJ0JP Hanselminutes with Phil Haack: http://bit.ly/dxRTxG www.asp.net and http://forums.asp.net
- 17. © 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION. www.devgoias.net José LinoNeto @joselinoneto contato@joselino.net http://joselino.net Alliston Carlos @allistoncarlos alliston@live.com http://alliston.wordpress.com
Notas do Editor
- Estimated Time: 1 minute The main objectives of this session are to explain what ASP.NET MVC is and how it sits in the overall ASP.NET ecosystem. We’ll take a look at its main value propositions and see what style of development it enables. The key takeaways are to determine whether or not ASP.NET MVC is the right choice for you as a developer, and to figure out whether or not it can ease some pain you’re currently experiencing as a web developer on the .NET stack.
- Estimated Time: 2 minutes The level of abstraction that WebForms provides has a lot of benefits to it, but it doesn’t provide any framework-level guidance in terms of what should do what and when. Between your pages, master pages, user controls, server controls, and custom controls, you can end up with a mixture of HTML, data access code, and business logic. There are certainly methodologies/practices that can be employed with WebForms that can remedy that, but it becomes an implementation task of the developer, since the framework doesn’t provide any of that separation/guidance.
- Estimated Time: 2 minutes The control abstractions that WebForms provides are very powerful in that they neatly contain all of the UI and business logic needed so you can just place them within a page and go. The adverse side of that is that it can end up hiding complexity that you’d rather have control over. A common problem is viewstate [Advance Animation]. It isn’t viewstate’s fault that things like this can happen, but it can be very easy to consume a control that could end up hurting the performance of your application. In addition, many times the markup rendered by server controls aren’t always ideal and there is little control over that without having to redo its rendering completely.
- Estimated Time: 1 minute WebForms has been the only option on the ASP.NET stack and provides a mature product that has proven successful for lots of developers. But it does have some weaknesses.
- Estimated Time: 2 minutes MVC is a design pattern that stands for Model-View-Controller. What is strives to do is separate the concerns of an application’s presentation layer by assigning specific roles to the three different components. The Controller is responsible for handling all user input. Once input has been received, the Controller will perform any operations/actions it needs to, which might include interacting with the Model. The Model represents the core concern/logic of the application. Once the Controller retrieves some model data and performs any work with the model/etc it needs to it constructs a presentation model that describes the model in terms the View can understand. The View is the visual representation of the model. It presents the model data to the actual user in a way that is meaningful. In a web application, this would typically be HTML. With these three pieces in place, your presentation layer becomes cleanly separated in such a way that each component can be developed/tested independently.
- © 2003 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
- © 2003 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.