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Forum Discussion
Need .Net sample for download to file
I'm using Dropbox API in an asp.net application. I have managed to download the file contents into a stream upto the following line of code in an async task.
var strm = response.GetContentAsStreamAsync();
But I can't find a sample of how to write this stream finally to a file on the web server for which I do have a path DestPath. I have tried using some .Net code to write Stream to file but that complains and can not compile because the above strm and IO.Stream are different. I can't find a sample in .Net SDK for dropbox. Can someone help?
The GetContentAsStream method yields a Stream, so you should be able to use CopyTo like this:
var strm = await response.GetContentAsStreamAsync(); using (var fileStream = File.Create(localFilePath)) { strm.CopyTo(fileStream); }
- Greg-DB
Dropbox Staff
The GetContentAsStream method yields a Stream, so you should be able to use CopyTo like this:
var strm = await response.GetContentAsStreamAsync(); using (var fileStream = File.Create(localFilePath)) { strm.CopyTo(fileStream); }Thanks for the speedy reply! I was missing the "await" and hence it was complaining that CopyTo is not a method of Task<Stream>.
Any ideas how to catch a Timeout exception for large downloads? I tried using Try/Catch but it is not raised.
Update: I tried this code but it doesn't cause a timeout.
var expirationTimeTask = Task.Delay(TimeSpan.FromSeconds(30)); var strm = response.GetContentAsStreamAsync(); var finishedTask = await Task.WhenAny(expirationTimeTask, strm); if (finishedTask == expirationTimeTask) { //timeout error processing (does not get here) }Oops. On debugging, I found that it is stuck at CopyTo and that takes a long time and times out. So does the actual download occur on "CopyTo"?
Update: Was above to solve this by studying the Asp.net samples on:
How to call it on windows/desktop application to download file.
- Greg-DB
yasirjaseem We recommend using the official Dropbox .NET SDK. There's an example of downloading files here. If something isn't working as expected for you, open a new thread with details.
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