What should I return in ActionResult?
ActionResult is a return type of a controller method in ASP.NET MVC. It help us to return models to views, other return value, and also redirect to another controller’s action method. There are many derived ActionResult types in MVC that we use to return the result of a controller method to the view.
How do I return an ActionResult model?
However, if you meant the View method, here’s how you can unit test that the result contains the correct model. First of all, if you only return ViewResult from a particular Action, declare the method as returning ViewResult instead of ActionResult. var result = sut. Index().
How do I return an ActionResult controller?
This class is inherited from the “ActionResult” abstract class. The ContentResult may be used to return to an action as plain text. This class is inherited from the “ActionResult” abstract class. Action methods on controllers return JsonResult (JavaScript Object Notation result) that can be used in an AJAX application.
Can I return ActionResult Instead of view results?
When you set Action’s return type ActionResult , you can return any subtype of it e.g Json,PartialView,View,RedirectToAction.
What is return type of action result?
Action Result is actually a data type. When it is used with action method, it is called return type. As you know, an action is referred to as a method of the controller, the Action Result is the result of action when it executes. In fact, Action Result is a return type.
What is the difference between ActionResult and IActionResult?
IActionResult is an interface and ActionResult is an implementation of that interface. ActionResults is an abstract class and action results like ViewResult, PartialViewResult, JsonResult, etc., derive from ActionResult.
How do I return nothing from ActionResult?
There are two ways to return NULL from an ActionResult (Action Method): 1. Using EmptyResult class. In order to learn more about EmptyResult class, please refer my article ASP.Net MVC EmptyResult Example: Return NULL (Nothing) from Controller to View.
What are the return types of controller action methods?
So, let’s start one by one.
- Return View. This is a most common and very frequently used type.
- Return partial View. The concept of a partial view is very similar to the master page concept in Web Form applications.
- Redirect.
- Redirect To Action.
- Return content.
- Return JSON.
- Return JavaScript.
- Return File.
What is the difference between ActionResult and view result?
ActionResult is an abstract class. ViewResult derives from ActionResult. Other derived classes include JsonResult and PartialViewResult. You declare it this way so you can take advantage of polymorphism and return different types in the same method.
What inherits from ActionResult?
Status Results. The final set of classes that inherit from ActionResult are the Status Results, which return status codes to the browser for it to use.
Should I use IActionResult or ActionResult?
IActionResult is an interface, we can create a custom response as a return, when you use ActionResult you can return only predefined ones for returning a View or a resource. With IActionResult we can return a response, or error as well.
What does OkObjectResult return?
If using the Ok method with the parameter (an object), it will return an OkObjectResult object. The difference between OkResult and OkObjectResult as the document and Bruce-SqlWork said, the OkResult will show an empty 200 response, and the OkObjectResult will show the 200 responses with the passed object.
Is ActionResult is abstract class or concrete class?
abstract class
ActionResult is an abstract class, and it’s base class for ViewResult class. In MVC framework, it uses ActionResult class to reference the object your action method returns. And invokes ExecuteResult method on it. And ViewResult is an implementation for this abstract class.
What is ActionResult type?
The ActionResult types represent various HTTP status codes. Any non-abstract class deriving from ActionResult qualifies as a valid return type. Some common return types in this category are BadRequestResult (400), NotFoundResult (404), and OkObjectResult (200).
What are the subtypes of ActionResult?
ActionResult Subtypes In MVC
- ViewResult – Renders a specified view to the response stream.
- PartialViewResult – Renders a specified partial view to the response stream.
- EmptyResult – An empty response is returned.
- RedirectResult – Performs an HTTP redirection to a specified URL.