Wanted some opinions on something i have been working with, ive tried a few ways of structuring the way i retrieve and return data to my webapi, and im pretty happy with what i have so far, but i was looking for a comparison of the pros and cons. Simple string returned by controller action is not a valid. Another important parameter is the object value in the writetostreamasync method. Starting from mvc 5 web api 2 template using entity framework for server side data persistence using attribute routing server side mvc list angularjs minispa with mildly rich editor added list to minispa as alternate to server side list. Unlike wcf web api does not required much configuration. Net mvc provides a simple and versatile means of returning. Or from the file menu, select new and then project. Net mvc 4 web application and here we are giving name as tutorialviewmodel then finally click on ok button. For more information, see controller action return types in asp. As the name suggests, it can be used to track the progress of both the send operation and the download operation invoked on your web api endpoint. You cant write an action that returns text thats meant to be written verbatim in multiple formats. I have already mentioned this feature in a blog post few weeks ago. I can see how to do this with normal mvc controllers, but not web. Web api return list of custom type json codeproject.
An api controller distinguishes itself from the normal controllers by the following. An action isnt required to return any specific type. Lets assume, we have a requirement to send a file based on the file type provided to the service request. The web api application programming interface feature is based on a special kind of controller to an mvc framework application, its normally as we do in mvc.
Web api rtm introduces a special type of delgatinghandler, called progressmessagehandler. It will allow us to create a pdf document from our html string that we generate in the. You can now add controllers for task and person if you wish. Hello all, i already create a web api in vs 20 and it working good, my goals is to return also mvc view to the client for example. Want to serve a pdf file with dynamicallygenerated content. If i choose any other formats then i obtain the file correctly.
For the first time ever, im integrating an mvc website to an asp. How about having your web api function return a string, and then return the javascript as a string. Web pdf viewer implemented as single page web application. Here mudassar ahmed khan has explained with an example, how to return download file using web api in asp. Choose the right return type for webapi controllers. How to return a pdf from a web api application stack overflow. Net web api allows you create api or based service or client endpoints. This is a good thing, since mvc and web api share a lot of functionality, yet there always were subtle differences and code duplication. In the technology world, an api is defined as an exposed application interface, which can be consumed by different client applications in order to perform data transfers. In the first version of web api, you had two ways of creating response from an api action. It is supposed to return pdfs from two different kinds of sources. The trouble im having is sending the document back to a client mvc application.
While going through the post, keep one thing in mind that web api is rest complaint, so it typically consists of get, put, post, delete methods. Net web api 2 web service both of which are coded by myself. For a project on the side im creating a web api which has to parse xml requests in a post. I dont understand why after you help someone, they dont mark your post as the answer. The rest of this is the details on everything thats happened. With that being said, you can have different reasons for having to do this. I wanted to write a web api get controller method that. If you wish to build a website please use regular mvc or something else. However, merging these two into framework one also made it more diffucult to distinguish one from another. Net mvc action results and pdf content simple talk. When youre building apis on the web, there are several ways you can build apis on the web. As youll see in the next chapter, this helps you create an api that adheres more closely with the tenets of the rest architecture. In this post, i will build a basic web service by using asp.
Net web api application but i got stuck at one point for few hours. Returning html or any file using web api peter rasmussen. For information about what fluent api statements are doing behind the scenes, see the fluent api blog post. Results from actions that return objects that are not iactionresult types are serialized using the appropriate ioutputformatter implementation. I have now tried to generate a number of reports with the rest web service api. The report generates fine within ireport all formats and from the jasper server all formats. Net mvc 4 is packed up with a new project template called web api. I got that to return to a server side mvc controller and threw it into a simple return no view that displays the pdf just fine in the browser. If the request came from an api client, there is a best content type and so return the text verbatim with the best content type the assumptions here on our part are wrong. We have created your first web api service and see how to simply test it without any further code or application. For now, the important thing to realize is that the entirety of this service call is. Things you didnt know about action return types in asp. Id appreciate it if you can just look this over for me and let me know if im on the right track here as far as the integration goes. For your convenience apress has placed some of the front.
After that you will see new dialog will pop up for selecting your template and project type. Net core project, or to create a pdf document from an existing html page. Hope this simple tutorial will help you get started with web api service. Most libraries offer a markup language or an api through which you draw content on a surface. In that case, you had to construct it manually, and you bypassed all of the internal web api mechanisms formatters.
I have a web api project that is running on a server. I will start by mentioning that web api is not meant to deliver html pages. Net web api 2 is a framework for building restful applications on the. This attribute produces more descriptive response details for web api help pages generated by tools like swagger. Web pdf viewer implemented as single page web application using angularjs and web api \. Since you are not setting the accept header as applicationjson you always see the data always returned in the default xml mediatype. Dinktopdf is a crossplatform oriented library which is the wrapper for the webkit html to pdf library. Hello all, note for this example, i am have used visual studio 2015 update 1 for ide and asp. Returning plain old text\html from mvc web api mango it. Because were not building a client, we need a way to call the api. Get, post, put are automatically mapped to corresponding controller methods.
The simplest web api controller can directly return the object in question. Hi, does anyone have an example of returning a pdf from a web api get. This blog describes how to generate pdf s with asp. Web pdf viewer implemented as single page web application using angularjs and web api. The answer is the wcf web api returns data in particular mediatype based upon the clients request i. Seed database with test data replace the code in the migrations\configuration. Ok so ive been getting my hands dirty with mvc 4 web api and must say that i love this technology. This article explains how to transfer return filespdfdocexcelzip files from web api service. In this article, we are going to discuss how to return files pdf wordexcel from web api service. Action methods return a model rather than an actionresult in mvc, objects. If youll just follow me to the next hallway, we can start to see code that shows what web api will do in certain common situations. Net mvc4, it is much flexible framework to develop rest and ajax api for html5, asp. Net core is an opensource, crossplatform framework for building modern, cloudbased web apps on windows, macos, and linux. Net web api is an ideal platform for building restful applications on the.
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