CSV Reader - I never want to write this again

CsvReader.cs

using System;
using System.IO;
using System.Collections.Generic;
using System.Text;

namespace ClosedQuestions
{
	public class Record
	{
		string[] data;

		public Record (int length)
		{
			data = new string[length];
		}

		public string this[int index] {
			get {
				return data[index];
			}
			set {
				data[index] = value;
			}
		}

		public override string ToString ()
		{
			return string.Join (",", data);
		}
	}

	public class CsvReader
	{
		TextReader reader;

		string[] headers;

		public CsvReader (TextReader reader)
		{
			this.reader = reader;
		}

		public IEnumerable<Record> Records
		{
			get {
				headers = reader.ReadLine ().Split (',');

				var r = new Record (headers.Length);
				var i = 0;

				var ch = reader.Read ();
				while (ch > 0) {

					if (ch == '\n') {
						yield return r;
						r = new Record (headers.Length);
						i = 0;
						ch = reader.Read ();
					}
					else if (ch == '\r') {
						ch = reader.Read ();
					}
					else if (ch == '"') {
						ch = ReadQuoted (r, i);
					}
					else if (ch == ',') {
						i++;
						ch = reader.Read ();
					}
					else {
						ch = ReadNonQuoted (r, i, (char)ch);
					}
				}


			}
		}

		int ReadNonQuoted (Record r, int index, char first)
		{
			var sb = new StringBuilder ();

			sb.Append (first);

			var ch = reader.Read ();

			while (ch >= 0 && ch != ',' && ch != '\r' && ch != '\n') {
				sb.Append ((char)ch);
				ch = reader.Read ();
			}

			r[index] = sb.ToString ();

			return ch;
		}

		int ReadQuoted (Record r, int index)
		{
			var sb = new StringBuilder ();

			var ch = reader.Read ();

			var hasQuote = false;

			while (ch >= 0) {

				if (ch == '"') {
					if (hasQuote) {
						sb.Append ('"');
						hasQuote = false;
					}
					else {
						hasQuote = true;
					}
				}
				else {
					if (hasQuote) {
						r[index] = sb.ToString ();
						return ch;
					}
					else {
						sb.Append ((char)ch);
					}
				}

				ch = reader.Read ();
			}

			r[index] = sb.ToString ();
			return ch;
		}
	}
}

What is so wrong with this: http://kbcsv.codeplex.com/ that you had to write 133 lines of code?