Asp.net MVC Tutorials On Action Methods

Action Methods are like any other method of a class and typically have a one-to-one mapping with user interactions. when a user enters a URL into the Browser in client-side then MVC App uses routing rules which are defined in the Global.aspx in the server-side to parse the URL and to exactly checks the path of the controller. and handles the requests in the controller with appropriate Action methods. and all the methods of a controller class are called Action Methods. the Action Methods have some restrictions as below:

• Action Methods must be Public.
• ActionResult is the superclass of all the return type action methods in MVC
• it can not have open generic types.
• it can not be overloaded
• it can not be constructor, setter, getter
• it can not be a static method.
• action method can not be an extension method
• every controller has at least one default Index() method and returns the View page.  

Asp.net MVC  ActionResult :

 various types of action results are available in asp.net MVC as shown below.

1. ViewResult                       --> It returns the View 
2. RedirectResult                  --> it returns to specific URL
3. RedirectToRoutResult        --> it redirects to action controller
4. PartialViewResult              --> receives as a response for view engine
5. JsonResult                        --> it returns the JSON Result
6. JavaScriptResult               --> it returns the Json Result 
7. FilePathResult                  --> it returns the file content 
8. ContentResult                   --> it returns the string
9. EmptyResult                     -->it returns the nothing

Example of Action Method :

public class  ATGController : Controller        {           public ActionResult AllTechGeeks()              {                  ViewData["atg"] = "All Tech Geeks";                  return View();            }      }

The Following Image explains briefly about Action Methods.