using CsvHelper;

using CsvHelper.Configuration;

using System;

using System.Collections.Generic;

using System.Globalization;

using System.IO;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var confNoHeader = new CsvConfiguration(CultureInfo.InvariantCulture)

        {

            SanitizeForInjection = false,

            HasHeaderRecord = false,

            Delimiter = ","

        };

        using (var stream = new MemoryStream())

        using (var writer = new StreamWriter(stream))

        using (var reader = new StreamReader(stream))

        using (var csv = new CsvWriter(writer, confNoHeader))

        {

            var NoticeLines = new List<object>

            {

                new { textForFun="My Long Text, will act has Header, Notice, or Disclaimer before the real record." },

                new { textForFun="Here comes an other one" },

            };

​

            var datas = new List<object>

            {

                new { C = 3, D = "three" },

                new { C = 4, D = "four" }

            };

​

            // The notice with no header

            csv.WriteRecords(NoticeLines);

​

            //Write the Header

            csv.WriteField("C");        

            csv.WriteField("D");

            csv.NextRecord();

            csv.WriteRecords(datas);

​

            writer.Flush();

            stream.Position = 0;

​

            reader.ReadToEnd().Dump();

        }       

    }

}

​

​