And how to create and use controller in mvc application. Actionresult is an abstract class, and its base class for viewresult class. The code about will cause a pdfresult class to be instantiated which will attempt to find a view named pdftest. Apr 29, 20 actionresult is an abstract class that can have several subtypes. I would avoid it like the plague and return some form of actionresult. For example, the viewresult return the html response. Arguably the simplest kind of action result that is defined by asp. The actionresult are defined into the controller and controller returns to the.
Action will mainly have return type actionresult and it will be invoked from. Users may want to get an extract of the data in some form that they can use. Im even more curious though about what kind of adoption we are going to start seeing out of the gate, especially being that companies have invested so. I am working on a cool reporting mvc app using highcharts and. I decided to make it easy and derive pdfactionresult from viewresult. Net mvc custom model binder safe updates for unspecified fields. Difference between viewresult and actionresult in mvc. Want to serve a pdf file with dynamicallygenerated content.
And viewresult is an implementation for this abstract class. Difference between viewresult and actionresult in asp net mvc. Net core demystified series, we will discuss and demo a whole bunch of classes which implement the iactionresult interface and inherit from the corresponding actionresult class. Net core demystified series, we will discuss and demo a whole bunch of. Theres really not much to unit test if you have a page that has only html in a mvc modelviewcontroller project. To understand this, you have to understand the data types in asp. Jan 08, 2009 i dont know about most of you out there, but i know that i am extremely excited about the impending release of asp. So without wasting time lets get the difference in one sentence. So without wasting time, lets get the difference in one sentence. May 09, 2014 public virtual actionresult pdftest return pdfnew int 1, 2, 3.
While these kinds of tools work well enough for generating reports straight from the database, its been surprising how few resources. Viewresult is derived from actionresult abstract class. Net mvc 5 because the contentresult is a data type whose base data type is actionresult, hence you have to understand action result. The typical way web apps work with a form post is that the forms keyvalue pairs are iterated through and processed. Whats the difference between actionresult and viewresult for. In this code sample we will be using the pdf rasterizer package in a mvc context to render specific pdf pages in a browser. I show you how to use the handleunknownaction method to handle every request against a controller automatically. In this article we will learn what are the available action results and which one we need to use in which case.
Im even more curious though about what kind of adoption we are going to start seeing out of the gate, especially being that companies have invested so much money in developers. Returning data and view from a single controller action. However, lately i have been asked to open a report as a pdf file, without putting a viewer. From reports to scan sheets, the need to generate pdf files has been present in every lineofbusiness application ive ever worked on. Net mvc, a partial view is analogous to user controls in asp.
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. Jun 17, 2010 output xml using strongly typed views in asp. The document largely contains english text in the latin character set but a portion of the pdf is supposed to contain contact information in a foreign language. Simply use return type as pdfactionresult in the controller will output pdf document instead of html.
In controller i have specified the below code with actionresult which is a base class that can have 11 subtypes in mvc like. The controller class is inherited from controllerbase. Net mvc actionresult and viewresult both are mainly a return type for controller action method. Enter your email address to follow this blog and receive notifications of new posts by email. Sometimes you may need to render a certain view as string, for example when you want to send an email where usually the body is pure html.
The other day i had to create a controller method to return a pdf file for the browsers embedded viewer to display. In mvc, this works in the action methods formcollection. Net mvc controller, its action method and action result. Net mvc june 17, 2010 nikolay raykov leave a comment go to comments recently i had to create an export to xml functionality in an asp.
String, xml string, etc from controller to view in asp. The problem is that from a single controller action we cant return both data as well as views. Difference between viewresult and actionresult in asp net mvcmay be you like this our channel. Let we start discussion about types of actionresult in one by one viewresult.
Nov 01, 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 16, 2016 here mudassar ahmed khan has explained with an example, how to use contentresult in asp. Partial views can also be returned directly from controller methods. Net mvc provides a simple and versatile means of returning different types of response to the browser. In most of the mvc applications we have controllers that return both data and views. Part 78 different types of actionresult in asp net mvc duration. Embedding arbitrary language glyphs in pdf with itextsharp. Actionresult is an abstract parent class from which viewresult class has been derived. A partial view is a chunk of html that can be safely inserted into an existing dom. Contentresult return type is used for returning content i. Net mvc published 20150505 updated 20151216 this article shows how to implement a postprocessor for an asp. 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.
Usually these reports are embedded into html page and used along with devexpressreportviewer. What is the difference between viewresult and actionresult. Net mvc output xml using strongly typed views in asp. Types of action result the diagram shown below describes about abstract class of action result. In the past, ive used a variety of tools to achieve this such as sql server reporting services or telerik reporting. Net mvc in a recent project i needed to display a generated pdf contract document inside the browser. In the company im currently working for, it is a common practice to use devexpress xtrareports to create all kind of reports. Difference between viewresult and actionresult stick2basic. Net mvc mvc has a lot of great built in tooling, including the ability to stream very large file results straight from disk without having to load the whole file stream into memory. Net, class, stream, action method, and asynchronous. Many times we end up writing two controller actions one to return view and the other to return data in either json or xml format for ajax calls. 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. Most commonly, partial views are used to componentize razor views and make them easier to build and update.
The code here is based primarily on the code in mvc itself, specifically the actionresult and viewresult classes. Actionresult is a base class for viewresult in mvc framework, it uses actionresult class to reference the object our. Dec 15, 2016 difference between viewresult and actionresult in asp net mvcmay be you like this our channel. Unit testing a very simple viewresult in mvc karlz. What is the difference between using viewresult and actionresult in asp. One of my clients has an application which generates a pdf using itextsharp. Actionresult is an abstract class that can have several subtypes. If you continue browsing the site, you agree to the use of cookies on this website. So really these two code snippets do the exact same thing. Actionresult is base type while viewresult is subtype of actionresult.
Its also fairly common to test those actions to ensure that the proper view is being returned. What is best to return actionresult or partialviewresult when you have a partialview jul 02, 2014 05. 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. Testing mvc view names with callermembername weve all written asp. What is difference between actionresult and iactionresult. Mvc difference between viewresult and actionresult. Net mvc render a partial view as a string for a pdf generation tool.
Many times we end up writing two controller actions one to return view and the other to. On the whole, this was pretty easy, i quickly got the embedded file to display in ie, opera and firefox just using the standard file actionresult method. There are multiple ways of doing this on client side but users may be seeing only a part of the data on the client. Returning a crystal report as a pdf actionresult in asp. Net mvc application, which transforms the output of an controller action before it is transmitted to the client. Recently lots of interview questions are asked around asp.
I have a view that really only provides content, is there a quick way to test that it exists. Actionresult is a general result type that can have several subtypes from asp. Controller class is responsible for handling incoming request, process. I found a great article by patrick kalkman illustrating how to create a custom actionresult that converts a html string into a pdf using the itextsharp library. When you set actions return type actionresult, you can return any. Testing mvc view names with callermembername nik codes. Net mvc controller actions that simply return a view. Net core ecosystem and how iactionresult has helped, is that iactionresult is an interface, and the platform is the one. Mar 10, 2014 difference between actionresult and viewresult slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This is a dnx vnext implementation of mvcrazortopdf by andyhutch77. The problem with the first snippet is your controller is accessing the request object and breaking away from mvc conventions. Difference between viewresult and actionresult in asp net. This converts html to pdf using the itextxmlworker library. Net mvc controller, action method and actionresult.
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. Net mvc interview question which making circles around actionresult is an abstract class while viewresult derives from actionresult class. Most of the time we return a view as actionresult to navigate. Optionally we can also pass the view name and the other parameters in the view method.
Dec 02, 2012 enter your email address to follow this blog and receive notifications of new posts by email. What is best to return actionresult or partialviewresult. Net mvc render a partial view as a string for a pdf. When modelstate isnt valid, the same viewresult is returned as for a get request. Actionresult subtypes viewresult renders a specifed view to the response stream partialviewresult renders a specifed partial view to the response stream emptyresult an empty response. Viewresult, partialviewresult, emptyresult, redirectresult, redirecttorouteresult, jsonresult, javascriptresult, contentresult, filecontentresult, filestreamresult, filepathresult. When defining an action method in control, there is possible two signature. Net mvc action results and pdf content simple talk. Finally, the last line of code checks whether or not the view returned by the details action is the details view. Net mvc controller, action method and actionresult in this article i am going to explain about asp. What is the difference between viewresult and actionresult in. In this code sample we will be using the pdf rasterizer package in a.
The action method responsible for returning the xml document has a return type of actionresult and calls the view helper method passing the name of the view and the entity that would be exported. So when you see mvc controller and action codes as shown below. Net mvc embedded pdf file always downloads and shows a. What is the difference between actionresult and viewresult in mvc by shiv prasad koirala in asp. Here, in this article we will learn about differences between them. Toggle issue i like that you can download the pdf of these. It will be given an int array as its model and then rendered by the razor view engine. I have a view that really only provides content, is there a quick way to test.
Here mudassar ahmed khan has explained with an example, how to use contentresult in asp. Dino shows you how simple this can be using a tailormade actionresult class. Generates pdf documents from your razor views within an 5 mvc project. Net mvc and razor to generate pdf files dave glick. I dont know about most of you out there, but i know that i am extremely excited about the impending release of asp. Whats the difference between actionresult and viewresult for action method. 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. A controller unit test avoids scenarios such as filters, routing, and model binding.
Net mvc render a partial view as a string for a pdf generation tool generally in mvc you want to render views using a view engine with a standard action result response that lets mvc deal with the view engine. Whats the difference between actionresult and viewresult. Introduction in the company im currently working for, it is a common practice to use devexpress xtrareports to create all kind of reports. Usually these reports are embedded into html page and. From your description, i know that you encounter some issue when returning pdf as actionresult. In mvc framework, it uses actionresult class to reference the object your action method returns. Viewresult renders a specifed view to the response stream actionresult is an abstract class that can have several subtypes. Viewresult and actionresult in mvcactionresult is an abstract or base class. For better help, i would like to suggest you to post directly in asp.
How to stream a fileresult from one web server to another with asp. One is actionresult and another one is executeresult. These classes are used as responses from controller actions, and include redirecting to another site, redirecting to a different. How to stream a fileresult from one web server to another. Net mvc render a partial view as a string for a pdf generation. Actionresult is a general result type that can have several subtypes. 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. Nov 20, 20 from your description, i know that you encounter some issue when returning pdf as actionresult. Mvc difference between viewresult and actionresult what is the difference between using viewresult and actionresult in asp.
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