public async Task <IActionResult> UploadArrivals(UploadDataViewModel model) { List <ArrivalsUploadedViewModel> dataUploaded = new List <ArrivalsUploadedViewModel>(); try { using (StreamReader reader = new StreamReader(model.File.OpenReadStream())) { while (reader.Peek() >= 0) { string[] entries = (reader.ReadLine()).Split(";"); ArrivalsUploadedViewModel data = new ArrivalsUploadedViewModel { InDate = DateTime.Parse(entries[0]), OutDate = DateTime.Parse(entries[1]), UserCode = entries[2] }; dataUploaded.Add(data); } List <ArrivalsEntity> arrivalsUploaded = _converterHelper.ToArrivalsEntity(dataUploaded); bool IsSuccess = await _arrivalsHelper.AddArrivals(arrivalsUploaded); if (!IsSuccess) { ViewBag.Message = "There has been an error when trying to process the file"; return(View(model)); } } ViewBag.Message = $"The file {model.File.FileName} has been processed successfully!"; } catch (Exception) { ViewBag.Message = "There has been an error when trying to process the file"; } return(View(model)); }