Unable to download the image using c#

Question

I am trying to download the image from azure blob storage using the below code

      String fullPath;
        fullPath = path + names[0];
        FileStream fileStreamInput = new FileStream(fullPath, FileMode.Open, FileAccess.Read);
        FileStreamResult fileStreamResult = new FileStreamResult(fileStreamInput, "APPLICATION/octet-stream");
        if (names == null || names.Length == 0)
            fileStreamResult.FileDownloadName = fileStreamInput.Name;
        else fileStreamResult.FileDownloadName = names[0];
        return fileStreamResult;

Here, value for full path was received as https://mycustomazure.blob.core.windows.net/blob1/

names[0] is user.png

But i got the exception The given path's format is not supported

How to resolve this issue ?

https://mycustomazure.blob.core.windows.net/blob1/content/user.png — Karthik Ravichandran, Nov 24 '17 at 11:14
I guess that would mean that the FileStream expects a path starting with Drive:\. To download from a website try using the HttpClient — Arno, Nov 24 '17 at 11:17
Use the Azure client: https://learn.microsoft.com/en-us/azure/storage/files/storage-dotnet-how-to-use-files#access-the-file-share-programmatically — Crowcoder, Nov 24 '17 at 11:19

score 1 · Answer 1 · answered Nov 24 '17 at 11:16

1

https://msdn.microsoft.com/en-us/library/system.io.filestream(v=vs.110).aspx

I don't see a single instance where it says you can use web path to initialise a new FileStream.

Download the file first to local disk and then initialise with local file.

answered Nov 24 '17 at 11:16

Stan

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score 0 · Answer 2 · answered Nov 24 '17 at 11:16

0

FileStream not allow get image from web. You should use WebClient class. See here, how you can get image from web

answered Nov 24 '17 at 11:16

Anton Gorbunov

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Unable to download the image using c#

2 Answers2