I\'m using DotNetZip to create a zip file and pass it to a FileResult. On debug, I can verify that the MemoryStream contains a file, but when I run it through FileStreamResu
Have you tried setting stream.Position = 0; after you do the zip.Save(stream)?
Also, you might confirm that data is actually being written to the stream. Check stream.Length after zip.Save. If stream.Length is zero, then nothing's being written.