public async Task <string> DownloadCsv(string deskId, DateTime date)
{
var plDetails = await _profitLossRepository.GetDailyPLTradeAsync(deskId, date);
var deskData = _mapper.Map <PLDataExportDm>(plDetails);
//var deskHR = CSVUtil<PLDataExportDm>.ConvertHeaderRow(deskData);
var tradeHR = CSVUtil <DailyPLTradeDm> .ConvertHeaderRow(plDetails.DailyPLTrades[0]);
//var finalHR = deskHR + "," + tradeHR + Environment.NewLine;
//var dailyDeskCsv = CSVUtil<PLDataExportDm>.ConvertObjectToCSV(new List<PLDataExportDm> { deskData });
var transactCsv = CSVUtil <DailyPLTradeDm> .ConvertObjectToCSV(plDetails.DailyPLTrades);
//var finalDataCsv = finalHR + Environment.NewLine + dailyDeskCsv + "," + transactCsv;
var finalDataCsv = tradeHR + Environment.NewLine + transactCsv;
return(finalDataCsv);
}