Скачать или смотреть Action Method in MVC (Part - 6)

Action Method in MVC
All the public methods of a Controller class are called Action methods.
• Action method must be public. It cannot be private or protected
• Action method cannot be overloaded
• Action method cannot be a static method.


ActionResult:

MVC framework includes various result classes, which can be return from an action methods.
The result classes represent different types of responses such as:
html, file, string, json, javascript etc.

Lists of all the result classes available in ASP.NET MVC.



The ActionResult class is a base class of all the above result classes, so it can be return type of action methods which returns any type of result listed above. However, you can specify appropriate result class as a return type of action method.

The Index() method of StudentController in the above figure uses View() method to return ViewResult (which is derived from ActionResult). The View() method is defined in base Controller class. It also contains different methods, which automatically returns particular type of result as shown in the below table.