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(); } } }