private void ParseStream()
        {
            byte[] bytes;
            using (var fileStream = new FileStream(ExcelImport.FullName, FileMode.Open)) {
                bytes = fileStream.Bytes();
            }

            using (var stream = ExcelImport.GetXlsContent(ExcelImport.FullName, bytes)){
                using (var excelDataReader = ExcelReaderFactory.CreateReader(stream)){
                    ExcelImport.SheetNames = excelDataReader.Sheets().ToList();
                }
            }
        }