public static List <RacerDetail> BuildTable(DataTable table)
        {
            List <RacerDetail> racers = new List <RacerDetail>();

            try
            {
                for (int i = 0; i < 20; i++)
                {
                    var racer = new RacerDetail();

                    DataRow row = table.Rows[i];
                    int     slNo;
                    var     isGreaterThanZero = int.TryParse(row.ItemArray[0].ToString(), out slNo);
                    if (!isGreaterThanZero)
                    {
                        continue;
                    }

                    racer.SlNo         = row.ItemArray[0]?.ToString();
                    racer.Number       = row.ItemArray[1]?.ToString();
                    racer.Name         = row.ItemArray[2]?.ToString();
                    racer.Gap          = row.ItemArray[3]?.ToString();
                    racer.TotalTime    = row.ItemArray[4]?.ToString();
                    racer.Fastest      = row.ItemArray[5]?.ToString();
                    racer.In           = Convert.ToInt32(row.ItemArray[6]?.ToString());
                    racer.AverageSpeed = Convert.ToDecimal(row.ItemArray[7]?.ToString());
                    racers.Add(racer);
                }
            }
            catch (Exception ex)
            {
                Logger.Info("XlsReaderSErvce.BuildTable Error:" + ex.Message);
            }


            return(racers);
        }
        private static void WriteToFile(List <RacerDetail> racer, string fileLoction, FileType fileType)
        {
            var racerCount = racer.Count;
            int count      = 20 - racerCount;

            for (int i = 0; i <= count - 1; i++)
            {
                var rac = new RacerDetail();
                racer.Add(rac);
            }


            StringBuilder sb      = new StringBuilder();
            int           cnIndex = 1;

            foreach (var item in racer)
            {
                if (fileType == FileType.CN)
                {
                    sb.Append("<C" + cnIndex + "\t" + item.Number);
                }
                else if (fileType == FileType.ST)
                {
                    sb.Append("<T" + cnIndex + "\t" + item.TotalTime);
                }
                else if (fileType == FileType.Name)
                {
                    sb.Append("<T" + cnIndex + "\t" + item.Name);
                }
                else if (fileType == FileType.FT)
                {
                    if (cnIndex == 1)
                    {
                        sb.Append("<FT1" + "\t" + item.Fastest);
                    }
                }



                sb.Append(System.Environment.NewLine);
                cnIndex++;
            }
            try
            {
                using (Stream file1 = File.Open(fileLoction, System.IO.FileMode.Create))
                {
                    using (System.IO.StreamWriter file = new System.IO.StreamWriter(file1))
                    {
                        file.Write(sb);
                    }
                }
            }
            catch (UnauthorizedAccessException ex)
            {
                Logger.Info(ex.Message);
            }
            catch (Exception ex)
            {
                Logger.Info(ex.Message);
            }
        }