The purpose of this concept is to return a generic actionresult object for each controller method, allowing different child classes returning. Here mudassar ahmed khan has explained with an example, how to use contentresult in asp. Executes the result operation of the action method asynchronously. Actionresult is an abstract class while viewresult derives from actionresult class. However, i noticed i was basically doing the same thing for each test.
Net mvc controller, its action method and action result. Actionresult is an abstract class that can have several subtypes. So without wasting time lets get the difference in one sentence. Actionresult is a general result type that can have several subtypes. Difference between viewresult and actionresult in asp net mvcmay be you like this our channel. This method is called by mvc to process the result of an action method. What is the difference between viewresult and actionresult in asp.
Viewresult and actionresult in mvcactionresult is an abstract or base class. I watched a video and to create unit tests the instructor first changed the return type of the action he was going to test from actionresult to viewresult. How to implement a login screen using an actionresult some of the thin controller posts were using actionresults in a wierd way. Jsonresult is returned by asynchronous posting inside the application by jquery. Controller class is responsible for handling incoming request, process. The actionresult class encapsulates the result of an action method and is used to perform a frameworklevel operation on behalf of the action method. A simple pdf actionresult in mvc posted on november 19, 2012 by cprakash recently, i needed an actionresult implementation to return the pdf documents from my controller action to mvc views and it tooks few minutes to. Net mvc actionresult and viewresult both are mainly a return type for controller action method.
Oct 31, 2014 so you have hit this blog note because you are confused about the difference between viewresult and actionresult and i hope that your confusion ends here. Dec 15, 2016 difference between viewresult and actionresult in asp net mvc may be you like this our channel. The controller class is inherited from controllerbase. Difference between viewresult and actionresult in mvc. Usually these reports are embedded into html page and used along with devexpressreportviewer. Im afraid i no longer use this forum due to the new. It is used to return the models to the views, file streams and also redirect to the controllers. It is the responsibility of the controller that it connects the component. Net types used in this video, see these msdn pages. In the controller i can write return partialviewmyview, model now i just have the problem, that in the partialview, there is a form which is supposed to have a specific prefix. Returning an mvc actionresult before the specific controller method is called. Create a new viewresult giving it the name of your view and then pass your viewmodel into the viewdata.
So really these two code snippets do the exact same thing. However, lately i have been asked to open a report as a pdf file, without putting a viewer. Oct 10, 2014 redirecttoaction or view as actionresult in asp. Actionresult is an abstract class, and its base class for viewresult class.
Here, in this article we will learn about differences between them. What is the difference between viewresult and actionresult in. Net mvc 5 controller actionresult jsonresult wesley09171. Nov 19, 2012 a simple pdf actionresult in mvc posted on november 19, 2012 by cprakash recently, i needed an actionresult implementation to return the pdf documents from my controller action to mvc views and it tooks few minutes to build the functionality on the existing fileresult. Apr 29, 20 actionresult is an abstract class that can have several subtypes. So the viewdata is created with a viewdatadictionary which accepts either a dictionary or a model. And viewresult is an implementation for this abstract class. This is because it is the abstract base class for other types of actions. So if i have to use wait then will there be any advantage using task itll allow the thread to go off and process other requests while it waits for the action to complete. Each action method has a return type and we call it as action result. In a view i do an ajax request to a controller, which renders a partialview based on a posted id.
In mvc controls there are different type of action result we use as a return type from a controller action method in which viewresult, actionresult and jsonresult are commonly used. Today, well go stepbystep through creating a custom actionresult for logging in a user. An introduction to actionresults in mvc dot net concept. Nov 17, 2016 diy sheet metal bender machine making metal rolling machine in home workshop duration. Net mvc 3, they will come with one or more actions by default. So without wasting time, lets get the difference in one sentence. The only difference is that with the actionresult one, your controller isnt promising to return a view you could change the method body to conditionally return. The actionresult is a fantastic addition, making the framework far easier to test. Lets peel back the covers on actionresult and discover why it and its derived classes are critical to understanding asp. Contenttype to applicationpdf in order to inform a browser that im sending a pdf file. Obviously that class represents an action of some kind, but exactly what does it do. In this article we will learn what are the available action results and which one we need to use in which case.
Actionresult class from which both contentresult and redirectresult derive datetime structure. There are plenty of action results are available according to need but all action results are inherited by actionresult class. 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. In this post, i am going to talk about what action methods are and different action result types available to us in asp. The action method returns a type of actionresult in response to the browser request. Viewresult renders a specifed view to the response stream actionresult is an abstract class that can have several subtypes. Mvc difference between viewresult and actionresult. Feb 24, 2015 any action in an mvc controller, generally speaking, returns an actionresult. This blog describes about the actionresult subtypes in mvc. Whenever controller action return type is actionresult then the action is capable of returning any. Solved how to create custom actionresult method codeproject. What is the difference between viewresult and actionresult. This is used to populate data with out refreshing the page. Live pivot from microsoft labs provides a great tool to show data, thus i have created a supporting actionresult for mvc to easy the creation of the data.
Optionally we can also pass the view name and the other parameters in the view method. Actionresult is a base class for viewresult in mvc framework, it uses actionresult class to reference the object our action method returns. Actionresult has several derived classes like viewresult,jsonresult, filestreamresult and so on. On the other hand viewresult is a subclass of actionresult. The action result is a very generic return value for. In mvc all actions are performed through controller. And how to create and use controller in mvc application. This depends on whether you selected a template which includes extras for you.
Net mvc interview question which making circles around. The action result is a very generic return value for an action. An example actionresult builtin is the renderviewresult. Difference between viewresult and actionresult stick2basic. Problem solved all of the mvc actionresult types share the action result base. Nov 17, 2016 how to connect two routers on one home network using a lan cable stock router netgeartplink duration.
Lets close the peek window and change our methods return type to actionresult. The actionresult method works as a return type of any controller method in the mvc. Net mvc rss actionresult posted by william on oct 22, 2009 19 o ne of the most common tasks for data serving websites is offering an rss feed that users can subscribe to in order to keep up with the latest updates to that data. Executes the result operation of the action method synchronously. Most of the time we return a view as actionresult to navigate.
The purpose of this concept is to return a generic actionresult object for each controller method, allowing different child classes returning different results. Viewresult renders a specifed view to the response stream. Free source code and tutorials for software developers and architects updated. Result new viewresult viewname exception, viewdata new viewdatadictionarynew cmsexceptionviewdatafiltercontext.
Net mvc, incoming browser requests gets mapped to a controller action method. Any action in an mvc controller, generally speaking, returns an actionresult. Actionresult is an abstract class that an action can return the helper methods in controller eg, json, content, view. Mvc difference between viewresult and actionresult what is the difference between using viewresult and actionresult in asp. The default implementation of this method calls the executeresult actioncontext method and returns a completed task. Net mvc 5 controller actionresult filecontentresult s.
Contentresult return type is used for returning content i. Net, class, stream, action method, and asynchronous. In mvc framework, it uses actionresult class to reference the object your action method returns. Action methods an action method gets executed in response to a user request. Actionresult subtypes viewresult renders a specifed view to the response stream partialviewresult renders a specifed partial view to the response stream emptyresult. The empty controller template comes with an index action with a return value of type actionresult. Actionresult is an abstract parent class from which viewresult class has been derived. Nov 01, 2014 so when you see mvc controller and action codes as shown below.
Net mvc controller, action method and actionresult in this article i am going to explain about asp. An action method responds to user input by performing work and returning an action result. Rendering a viewresult as html string output 1 april 2015 perhaps youve tried this creating a controller, getting the viewresult and attempting to convert it to a html string for example, my use case was for an email templating generation system. The only difference is that with the actionresult one, your controller isnt promising to return a view you could change the method body to. String, xml string, etc from controller to view in asp. The above code means that you are returning a viewresult object and due to polymorphism, this object is automatically type casted to the parent class type, i. Difference between viewresult and actionresult in asp net mvc. So you have hit this blog note because you are confused about the difference between viewresult and actionresult and i hope that your confusion ends here. Recently lots of interview questions are asked around asp.
If the actions return type is task and then i have to use wait method when i make a db call. Regardless of the specific actionresult type that is being. The solution presented above works fine, however, i wanted to create something more reusable, that is why i decided to create a custom actionresult pdfactionresult. According to the msdn documentation for the actionresult. Net mvc 5 controller actionresult partialviewresult s. Partialviewresult in controller with viewdata issue. Net mvc controller, action method and actionresult.
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