public async Task <IActionResult> Upload(IFormFile file, int dirId) { long size = file.Length; var text = string.Empty; if (file.Length > 0) { using (var reader = new StreamReader(file.OpenReadStream())) { text = await reader.ReadToEndAsync(); } } if (text == string.Empty) { //TODO: return warning or something return(Ok()); } saveData.UploadData(text, dirId); return(Ok()); }