C# NPOI Excel 导入

var file = Request.Files["upload"];
HSSFWorkbook hssfWorkbook = new HSSFWorkbook(file.InputStream);
HSSFSheet sheet = (HSSFSheet)hssfWorkbook.GetSheetAt(0);
System.Collections.IEnumerator rows = sheet.GetRowEnumerator();
while (rows.MoveNext())
{
HSSFRow row = (HSSFRow)rows.Current;
row.GetCell(1).ToString();

}