NPOI讀模數板並且產生新模板

 

sender, EventArgs e)    {        FileStream file = new FileStream(Server.MapPath("template/") + "a.xls", FileMode.Open, FileAccess.Read);         HSSFWorkbook hssfworkbook = new HSSFWorkbook(file);        file.Close();        ISheet sheet1 = hssfworkbook.GetSheet("Sheet1");        if (sheet1.GetRow(23) == null)        {            sheet1.CreateRow(23);        }        if (sheet1.GetRow(23).GetCell(6) == null)        {            sheet1.GetRow(23).CreateCell(6);        }        sheet1.GetRow(23).GetCell(6).SetCellValue(300);         sheet1.ForceFormulaRecalculation = true;        FileStream file2 = new FileStream(Server.MapPath("template/") + "ccc.xls", FileMode.Create, FileAccess.Write);         hssfworkbook.Write(file2);         file2.Close();    }