c#-NPOI-data-to-excel

    static void Main(string[] args)
    {
        IWorkbook workbook = new XSSFWorkbook();
        ISheet sheet1 = workbook.CreateSheet("Sheet1");
        sheet1.CreateRow(0).CreateCell(0).SetCellValue("This is a Sample");
        int x = 1;
        for (int i = 1; i <= 15; i++)
        {
            IRow row = sheet1.CreateRow(i);
            for (int j = 0; j < 15; j++)
            {
                row.CreateCell(j).SetCellValue(x++);
            }
        }
        FileStream sw = File.Create("test.xlsx");
        workbook.Write(sw);
        sw.Close();
    }