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Ria 03 - Hello ASP.NET MVC
- 1. STUDIEREN UND DURCHSTARTEN. Author: Dip.-Inf. (FH) Johannes Hoppe Datum: 06.10.2010 Thanks to: Eng. KhaledMusaied
- 2. RIA – Rich Internet Applications Author: Dip.-Inf. (FH) Johannes Hoppe Datum: 06.10.2010 Thanks to: Eng. KhaledMusaied
- 3. 01 Whatis ASP.NET MVC? 20.10.2010 Folie 3
- 4. Whatis ASP.NET MVC? Framework ASP.NET MVC Framework, built on top of ASP.NET core framework implements the “Model, View and Controller” pattern 20.10.2010 Folie 4
- 5. Whatis ASP.NET MVC? MVC Power Complete control on HTML. Smooth Web 2.0 Development . SEO-friendly URLs. Easy Test Driven Development (TDD). Stateless Previous ASP.NET technology based on “ViewState” Caused a lot of unnecessary traffic and complexity 20.10.2010 Folie 5
- 6. Whatis ASP.NET MVC? 20.10.2010 Folie 6 Model Encapsulates application’s Data and related Logics Holds the Data Objects Other term: “business layer” Should be “fat” has usually several more layers (later topic) View Handles application’s data presentation Where all the HTML / CSS / JS / … stuff can be found Controller Manages application’s Flow and Navigational logics Should be “Skinny” as few as possible code
- 7. Whatis ASP.NET MVC? 20.10.2010 Folie 7 <<<<< Always Remember! Skinny Controller,Fat Model
- 8. Whatis ASP.NET MVC? MVC + Routing Model View Controller Router URL Mapping “Loads” for the right controller Calls the right method of the controller Or sends a HTTP 404 error message on no match 20.10.2010 Folie 8
- 9. 02 One HTTP Request in Detail 20.10.2010 Folie 9
- 10. One HTTP Request in Detail 20.10.2010 Folie 10 0a) Browser (eg Firefox) opens a TCP connection to the Webserver (Microsoft IIS) on Port 80, sends the following text (text extremely shortened) GET / HTTP/1.1 Host: yoursite.com IIS decides which application to call(simplified. in real a lot of more stuff is done here) 1) Request arrives at the MVC Application
- 11. One HTTP Request in Detail 20.10.2010 Folie 11 2) Based upon the Routing table configuration, the URL request is mapped to an Action (method) inside an appropriate Controller
- 12. One HTTP Request in Detail 20.10.2010 Folie 12 3) Controller accesses the Model to process the data with applying business logics
- 13. One HTTP Request in Detail 20.10.2010 Folie 13 4) Model accesses database and results are returned back to the controller’s Action
- 14. One HTTP Request in Detail 20.10.2010 Folie 14 5) Action populates the view with processed data and the View renders the User Interface (HTML)
- 15. One HTTP Request in Detail 20.10.2010 Folie 15 IIS sends an HTTP Responseback to the waiting browser: HTTP/1.1 200 OK Server: Microsoft-IIS/6.0 Content-Type: text/html Content-Length: 999 <html><body>…</body></html>
- 16. One HTTP Request in Detail 20.10.2010 Folie 16
- 17. 03 Code Examples 20.10.2010 Folie 17
- 18. Code Examples – Model 20.10.2010 Folie 18 Note: this only a Data Object, whiteout any business logic!
- 19. Code Examples – Controller 20.10.2010 Folie 19
- 20. Code Examples – View (ASP.NET MVC v1) 20.10.2010 Folie 20
- 21. Code Examples– View output (MVC) 20.10.2010 Folie 21
- 22. Code Examples– Routes 20.10.2010 Folie 22 URL: http://yoursite.com/Customers/Details/21
- 23. Rich Internet Applications Questions? ? 20.10.2010 Folie 23
- 24. THANK YOU FOR YOUR ATTENTION 20.10.2010 Folie 24