A basic HTTP request class in C# that makes things a little bit easier.

BasicReq.cs

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

namespace BasicReq
{
    /// <summary>
    /// A simple basic class for HTTP Requests.
    /// </summary>
    class BReq
    {
        /// <summary>
        /// UserAgent to be used on the requests
        /// </summary>
        public string UserAgent = @"Mozilla/5.0 (Windows; Windows NT 6.1) AppleWebKit/534.23 (KHTML, like Gecko) Chrome/11.0.686.3 Safari/534.23";
        
        /// <summary>
        /// Cookie Container that will handle all the cookies.
        /// </summary>
        private CookieContainer cJar;

        /// <summary>
        /// Performs a basic HTTP GET request.
        /// </summary>
        /// <param name="url">The URL of the request.</param>
        /// <returns>HTML Content of the response.</returns>
        public string HttpGet(string url)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.CookieContainer = cJar;
            request.UserAgent = UserAgent;
            request.KeepAlive = false;
            request.Method = "GET";
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            StreamReader sr = new StreamReader(response.GetResponseStream());
            return sr.ReadToEnd();
        }

        /// <summary>
        /// Performs a basic HTTP POST request
        /// </summary>
        /// <param name="url">The URL of the request.</param>
        /// <param name="post">POST Data to be passed.</param>
        /// <param name="refer">Referrer of the request</param>
        /// <returns>HTML Content of the response.</returns>
        public string HttpPost(string url, string post, string refer = "")
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.CookieContainer = cJar;
            request.UserAgent = UserAgent;
            request.KeepAlive = false;
            request.Method = "POST";
            request.Referer = refer;

            byte[] postBytes = Encoding.ASCII.GetBytes(post);
            request.ContentType = "application/x-www-form-urlencoded";
            request.ContentLength = postBytes.Length;

            Stream requestStream = request.GetRequestStream();
            requestStream.Write(postBytes, 0, postBytes.Length);
            requestStream.Close();
            
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            StreamReader sr = new StreamReader(response.GetResponseStream());
            
            return sr.ReadToEnd();
        }

        /// <summary>
        /// Gets the image from the response stream.
        /// </summary>
        /// <param name="imageUrl">The image URL.</param>
        /// <returns>Image type of the image</returns>
        public Image GetImage(string imageUrl)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(imageUrl);
            request.CookieContainer = cJar;
            request.UserAgent = UserAgent;
            request.KeepAlive = false;
            request.Method = "GET";
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            return Image.FromStream(response.GetResponseStream());
        }

        /// <summary>
        /// Creates an HTML file from the string.
        /// </summary>
        /// <param name="html">HTML String.</param>
        public void DebugHtml(string html)
        {
            StreamWriter sw = new StreamWriter("debug.html");
            sw.Write(html);
            sw.Close();
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="BReq"/> class.
        /// </summary>
        public BReq()
        {
            cJar = new CookieContainer();
        }

        /// <summary>
        /// Releases unmanaged resources and performs other cleanup operations before the
        /// <see cref="BReq"/> is reclaimed by garbage collection.
        /// </summary>
        ~BReq()
        {
            // Nothing here
        }
    }
}