C# REST web service that returns response download file

 · In this example we will show how to read a PDF from the classpath simulating a read from a database or a file system and downloading it from a RESTful web service. While we use a PDF you could substitute just about any file format such as gif, jpeg, tiff, png, zip, jars, wars, ear or any other binary format that you need to stream to your browser.  · Creating A REST Webservice With C# And Visual Studio. In this tutorial Creating A REST Web service I guide you through the process of creating a RESTful Web service with C# and Visual Studio. For this demo, I am using Visual Studio with . It's a simple ActionResult that will allow you to download a file from a controller call that returns an IHttpActionResult. The file is stored in the byte[] Content. You can turn it into a stream if needs be. I used this to return files stored in a database's varbinary bltadwin.rus: 5.

So I built a service that collects information, say, log information, and sends it down to a client. This information is normally streamed right to a web browser via SignalR, but sometimes there is a lot of it, and scrolling through it on the web view can be quite a bltadwin.ru would be nice to be able to download the data as a tab-delimited file or something like that, so I can just open it with. 1) Annotate your service method with @Produces annotation. This annotation should have the file MIME type as a value. For example, if you are downloading pdf file then MIME type should be "application/pdf", incase if you are downloading png image file, then MIME type should be "image/png". 2) In the Response header, set "Content-Disposition. One problem you'll have in just returning URIs is that a plain old file server can't do security. So if you need to do any sort of limitation on who can access a file, then you're going to need to be able to return it in the REST API directly (or not, if the user does not have rights, the file is not in the correct state, etc.).

In this article, I will use a demo Web API application in bltadwin.ru Core to show you how to transmit files through an API endpoint. In the final HTML page, end users can left-click a hyperlink to download the file or right-click the link to choose “ Save Link As ” in the context menu and save the file. The full solution can be found in my. I have endpoint of the REST service which returns the file to be downloaded. I am trying to set up the code to download the file thats returned from the service with save as dialog. WCF REST Service. The first step is to create a WCF REST service that will be used for downloading and uploading the file. I prefer to keep all my services in a separate WCF project. This project is then hosted in the IIS. Add a new Blank solution by the name of “FileHandling”.