Azure storage: Uploaded files with size zero bytes

Question

When I upload an image file to a blob, the image is uploaded apparently successfully (no errors). When I go to cloud storage studio, the file is there, but with a size of 0

Answer 1

The Position property of the InputStream of the HttpPostedFileBase had the same value as the Length property (probably because I had another file previous to this one - stupid I think!).

All I had to do was to set the Position property back to 0 (zero)!

I hope this helps somebody in the future.

Answer 2

Thanks Fabio for bringing this up and solving your own question. I just want to add code to whatever you have said. Your suggestion worked perfectly for me.

        var memoryStream = new MemoryStream();

        // "upload" is the object returned by fine uploader
        upload.InputStream.CopyTo(memoryStream);
        memoryStream.ToArray();

// After copying the contents to stream, initialize it's position
// back to zeroth location

        memoryStream.Seek(0, SeekOrigin.Begin);

And now you are ready to upload memoryStream using:

blockBlob.UploadFromStream(memoryStream);