public class ExportTByNPOI    {        [STAThread]        public static void ExportTDataByNPOI
     
      (List
      
        dataList,string fileName)        {            if(dataList!=null && dataList.Any())            {                var firstData = dataList.FirstOrDefault();                var props = firstData.GetType().GetProperties().Where(x => !x.GetMethod.IsVirtual).ToList();                XSSFWorkbook workbook = new XSSFWorkbook();                ISheet firstSheet = workbook.CreateSheet("First Sheet");                IRow firstRow = firstSheet.CreateRow(0);                for(int i=0;i