Request to web api client download file c#

Line 21 sends the HTTP post request when the request content is ready. Lines 23 and 24 receive the HTTP response for later use. In order to download a file, we make an HTTP Get request, then read the response content into a memory stream which can be copied to a physical file.

If you are interested, you might want to read my other articles: File Upload via Swagger , Upload Files with Angular and. Again, the full solution for this article is in my GitHub repository. I hope you have learned something new. Thanks for reading. Senior Application Developer. I write blogs about. Bursts of code to power through your day. A pdf library would not help at all with this unless the OP also needs help creating PDF files programmatically.

Write readStream. ReadAsStreamAsync ; await stream. Atanu Sarkar Atanu Sarkar 11 11 bronze badges. Add "Authorization", "someapikey" ; client. GetByteArrayAsync client. ConfigureAwait false. Create URL ; request. ReadBytes Int32 response. ContentLength ; Response. SetCacheability HttpCacheability. NoCache ; Response. BinaryWrite buffer ; Response. Flush ; Response. Draken 3, 13 13 gold badges 34 34 silver badges 52 52 bronze badges.

I like seeing contributions from new participants, but it I'd encourage you to test your solution before posting. This doesn't compile, let alone work. I'd suggest fixing it so it works. It could end up being a valuable answer to this question. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. Learn more. Asked 1 year, 3 months ago.

Active 1 year, 2 months ago. Viewed 6k times. Response; response. ClearContent ; response. Clear ; response. TransmitFile Url ; response.

Flush ; response. End ; The error thats returned is on the line response. Improve this question. GGesheva GGesheva 2 2 silver badges 11 11 bronze badges. I'm assuming your application is a website? This tutorial shows how to call a web API from a. NET application, using System.

For simplicity, the client application in this tutorial is a Windows console application. The HttpClient. GetAsync method, don't include a leading forward slash.

To get a Product by ID:. RunAsync runs and blocks until it completes. All of the async tasks are done inside RunAsync. Normally an app doesn't block the main thread, but this app doesn't allow any interaction.

This class matches the data model used by the web API.