I'm moving away from browser bots, I need suggestions.

http://www.chilkatsoft.com/HttpDotNet.asp

http://www.example-code.com/csharp/http.asp

   Public Function Parse(ByVal origionalData As String, ByVal prefix As String, ByVal suffix As String) As String
        Dim returnData As String = ""
        Dim preLoc As Integer = InStr(origionalData, prefix)

        If preLoc > 0 Then
            Dim tempBuffer As String = Mid(origionalData, preLoc + prefix.Length)
            Dim suffLoc As Integer = InStr(tempBuffer, suffix)
            If suffLoc > 0 Then
                returnData = Mid(tempBuffer, 1, suffLoc - 1)
            End If
        End If

        Return returnData
    End Function

http://msdn.microsoft.com/en-us/library/system.string.aspx

http://www.ultrapico.com/Expresso.htm

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string key = "";
            ASCIIEncoding encoding = new ASCIIEncoding();
            CookieContainer cookieContainer = new CookieContainer();


            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://www.mocospace.com/html/login.jsp");
            request.CookieContainer = cookieContainer;
            request.ContentType = "application/x-www-form-urlencoded";
            request.UserAgent = "Mozilla/4.0(PC) (compatible; MSIE 8.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)";

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();

            StreamReader stream = new StreamReader(response.GetResponseStream(), System.Text.Encoding.ASCII);
            String result = stream.ReadToEnd();

            response.Close();

            // Here we call Regex.Match.
            Match match = Regex.Match(result, "<input type=\"hidden\" name=\"user_key\" value=\"(.*)\"/>", RegexOptions.IgnoreCase);

            // Here we check the Match instance.
            if (match.Success)
            {
                key = match.Groups[1].Value;
                Console.WriteLine(key);
            }

            String loginData = "action=login&login_name=Anastasiahiggins&password=a12345678&user_key=" + key;
            byte[] data = encoding.GetBytes(loginData);
            Console.WriteLine(loginData);

            try
            {
                request.Method = "POST";
                request.ContentType = "application/x-www-form-urlencoded";
                request.ContentLength = data.Length;

                Stream newStream = request.GetRequestStream();
                newStream.Write(data, 0, data.Length);
                newStream.Close();
            }
            catch(Exception e){
                Console.WriteLine(e);
            }
            


            TextWriter tw = new StreamWriter("result.html");
            tw.WriteLine(result);
            tw.Close();

            response.Close();
            stream.Close();
        }
    }
}