public ActionResult Import(HttpPostedFileBase excelfile)
        {
            Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");

            if (excelfile == null || excelfile.ContentLength == 0)
            {
                ViewBag.Error = "Файл не выбран! <br>";
                return(View("Index", db.AspNetUsers.ToList()));
            }
            else
            {
                if (excelfile.FileName.EndsWith("xls") || excelfile.FileName.EndsWith("xlsx"))
                {
                    db = new  TTCEntities();
                    string path = Server.MapPath("~/Import/" + excelfile.FileName);
                    if (System.IO.File.Exists(path))
                    {
                        System.IO.File.Delete(path);
                    }
                    excelfile.SaveAs(path);
                    //Читаем из файла
                    // Excel.Application ap = new Excel.Application();

                    Excel.Application application = new Excel.Application();
                    Excel.Workbook    workbook    = application.Workbooks.Open(path);
                    Excel.Worksheet   worksheet   = workbook.ActiveSheet;
                    Excel.Range       range       = worksheet.UsedRange;
                    List <Machinist>  listUsers   = new List <Machinist>();
                    for (int row = 2; row <= range.Rows.Count; row++)
                    {
                        Machinist user = new Machinist();
                        user.FIO       = ((Excel.Range)range.Cells[row, 1]).Text;
                        user.Address   = ((Excel.Range)range.Cells[row, 2]).Text;
                        user.Telephone = ((Excel.Range)range.Cells[row, 3]).Text;
                        db.Machinist.Add(user);
                        db.SaveChanges();
                    }
                    workbook.Close();
                    ViewBag.Error = "Данные загружены <br>";
                    return(View("Index", db.Machinist.ToList()));
                }
                else
                {
                    ViewBag.Error = "Это не Excel! <br>";
                    return(View("Index", db.Machinist.ToList()));
                }
            }
        }