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ASP.Net MVC
ASP.Net MVC Topics
| Question | Answer |
|---|---|
| Webforms vs. MVC | 1. Webforms: url = page; MVC: url=controller action. 2. Webforms: content-centric; MVC: logic centric |
| URL Routing | routes incoming requests to controller actions |
| Route Table Creation | Application_Start() method calls the RegisterRoutes() method and the RegisterRoutes() method creates the default route table. |
| default route | breaks all incoming requests into three segments: controller name, action name, and a parameter passed to the action named Id. |
| default route default values | The default Controller is HomeController, the default Action is Index, and the default Id is an empty string |
| controller | determines what response to send back to a user when a user makes a browser request; must contain suffix -Controller |
| action | public method on a controller |
| view | contains HTML and markup to be sent to the browser |
| view location | controller views must be located in \Views\[Controller Name]\[Action Name].aspx |
| controller requirements | 1. must contain suffix -Controller, 2. must reside in \Controllers folder 3. must reference System.Web.Mvc and System.Web.Mvc.Ajax, 4. must inherit from controller class |
| action requirements | 1. must be public, 2. cannot be overloaded, 3. cannot be shared |
| six action results | 1. ViewResult: HTML and markup. 2. EmptyResult:no result. 3. RedirectResult: redirection to a new URL 4. RedirectToRouteResult: redirection to a new controller action 5. JsonResult: a JavaScript Object Notation 6. ContentResult – plain text. |
| 6 result return methods | View,Redirect,RedirectToAction,RedirectToRoute,Json,Content |
| <%= %> | shortcut for Response.Write() |
| HTML Helper | method that generates a string |
| ViewData property | a collection of name and value pairs used to pass data from a controller to a view |
| Html.Encode() | HTML Helper encodes special characters such as < and > into characters that are safe to display in a web page |
| 4 web.config sections for URL Routing | system.web.httpModules section, system.web.httpHandlers section, system.webserver.modules section, and system.webserver.handlers |
| custom route requirements | custom routes should be added before default routes |
| 2 ways to prevent Javascript injection attacks | 1. Encode the view, 2. Encode the controller |
| HTML Encoding in View | <%=Html.Encode([text])%> |
| HTML Encoding the Controller | Server.HtmlEncode([text]) |
| model binder | allow you to map incoming form post values to complex .NET types passed as Controller action method parameters |
Created by:
jhlee5
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