ASP.NET MVC FileStreamResult Example

gistfile1.cs

// /File/Stream
public FileStreamResult Stream()
{
    var fileContent = new byte[] { Ascii.one, Ascii.Comma, Ascii.two, Ascii.Comma, Ascii.three };
    var stream = new MemoryStream(fileContent);
    var fileStreamResult = new FileStreamResult(stream, mimeType);
    fileStreamResult.FileDownloadName = "FileStreamExample.csv";
    return fileStreamResult;
}

// File/Stream2
public FileStreamResult Stream2()
{
    byte[] fileContent = new[] { Ascii.one, Ascii.Comma, Ascii.two, Ascii.Comma, Ascii.three };

    return File(new MemoryStream(fileContent), mimeType);
}