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Componentizing ASP.NET MVC

Componentizing ASP.NET MVC. Simone Chiaretta Solution Developer, Avanade http://codeclimber.net.nz. 27 Giugno 2009. Who the hell am I?. Simone Chiaretta Lavoro per Avanade Italy Microsoft MVP ASP.NET Blogger – http://codeclimber.net.nz Founder of UGIALT.NET OpenSource developer

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Componentizing ASP.NET MVC

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  1. Componentizing ASP.NET MVC Simone ChiarettaSolution Developer, Avanade http://codeclimber.net.nz 27 Giugno 2009

  2. Who the hell am I? • Simone Chiaretta • Lavoro per Avanade Italy • Microsoft MVP ASP.NET • Blogger – http://codeclimber.net.nz • Founder of UGIALT.NET • OpenSource developer • Climber • All Around Nice Guy

  3. How to componentize ASP.NET MVC • RenderPartial • The controller must “create” all the data needed by all components • RenderAction (MvcFutures) • Smells (the view knows about the controller) • Difficult to test that the component is displayed • Custom HtmlHelpers • Good for building HTML, must not have logic BAD BAD BAD • RenderPartial + Action Filters • Data “creation” is encapsulated, view is encapsulated GOOD

  4. What’s an action Filter • It’s an Attribute • Allows code execution (AOP style) • During the Authentication phase • When an Exception is thrown • Before an Action • After an Action • Before the rendering of a View • After the rendering of a View • “Core” filters • Authorize • HandleException • OutputCache

  5. Action Filter + Render Partial • Controller: • Executes the code only for its “main concern” and “create” the main data • View: • Shows the “main” output • Calls all the PartialViews • Action Filters: • Load data for the partial views • Partial views • Shows the data retrieved by the Action Filters

  6. [DEMO] Action Filter + Render Partial

  7. The Shameless Plug: Beginning ASP.NET MVC • Simone Chiaretta e Keyvan Nayyeri • Released on: August 3° 2009 • Already for pre-sale on Amazon • TOC: • MVC • Testing • And more... • http://www.amazon.com/Beginning-ASP-NET-MVC-Simone-Chiaretta/dp/047043399X/

  8. Contacts – Simone Chiaretta • MSN: simone_ch@hotmail.com • Blog: • English: http://codeclimber.net.nz/ • Italiano: http://blogs.ugidotnet.org/piyo/ • Twitter: http://twitter.com/simonech

  9. Q&A

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