The controller: [HttpGet] public FileResult Get() { //execute sql using (XLWorkbook wb = new XLWorkbook()) { wb.Worksheets.Add(dt, "file"); using (MemoryStream stream = new MemoryStream()) { wb.SaveAs(stream); return File(stream.ToArray(), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "Data.xlsx"); } } } how i handle this to javascript to download it from page? >Solution : How about calling the fileresult url in a new… Read More how to handle respond of fileResult in Javascript