Download file with ClosedXML

Question

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How can I download a file so the user sees that it is downloading (like with a stream?)

I am currently using ClosedXML, but if I use the SaveAs method, I

Answer 1

public ActionResult SendFile()
{
    // Create the workbook
    XLWorkbook workbook = new XLWorkbook();
    workbook.Worksheets.Add("Sample").Cell(1, 1).SetValue("Hello World");

    // Send the file
    MemoryStream excelStream = new MemoryStream();
    workbook.SaveAs(excelStream);
    excelStream.Position = 0;
    return File(excelStream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "MyFileName.xlsx");
}