Web api download large file

Member Nov Assil Nov Go to top. Layout: fixed fluid. Web Developer Sematec Ins. Iran Islamic Republic of. First Prev Next. Interrupted downloads on IE 10 kantv Jan Your code ig great and is very helpfull to me. Close " and use instead "HttpApplication. As a consequence, streamed uploads or downloads can greatly improve the scalability of the solutions by eliminating the need for large memory overheads on buffers.

Unless explicitly modified in web. If you try to upload a larger file, the response will be Additionally, ASP. Web API, by default buffers the entire request input stream in memory. Since we just increased the file upload limit to 2GB, you can easily imagine how this could cause OOM really quickly — i.

Fortunately there is an easy way to force Web API into streamed mode of dealing with the uploaded files, rather than buffering the entire request input stream in memory. We could either implement the interface directly, or modify the only existing implementation — System. In the case above, we check if the request is routed to the UploadingController , and if so, we will not buffer the request. In all other cases, the requests remain buffered. Asked 3 years, 6 months ago. Active 3 years, 6 months ago.

Viewed 1k times. You could try using Thread and ThreadStart objects System. Threading namespace to call your downloadfile method, to allow for multiple requests to your Post method while past requests can process independently.

Or you could use System. StartNew method — Anthony McGrath. This will be a non blocking call as expected, only point is consider chunking the download of such big file and join it back post download. Still you would use Async - Await — Mrinal Kamboj. Mrinal Kamboj: could you please share some link where I can see chunking part? I found examples of chunking while downloading file from local disk to server. But my case is to download it from http link. Add a comment. Active Oldest Votes. But as side-note, i would suggest not to download whole file in one go.

Initially, we have to convert the file into bytes using File Class which is from System. We are returning a file here so, to make the client understand the content of the service, we have to modify the following HttpResponseMessage header properties. We need to talk about the ContentType here. Complete Code in a single shot. I ran the project and tried to download all the books in all formats with the following URLs your IP may change when you run the code on your system.

Later, I requested the Word document.