HttpWebRequest的简单使用

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        HttpWebRequest web = (HttpWebRequest)WebRequest.Create("http://www.cnblogs.com/");  //创建一个请求
        web.Method = "GET";                                               //方式为get
        web.ContentType = "text/html;charset=UTF-8";                     //定义获取数据的类型
        HttpWebResponse response = (HttpWebResponse)web.GetResponse();   //获取响应
        string result = "";
        using (Stream stream = response.GetResponseStream())               //定义缓存，将数据读取出来
        {
            StreamReader sr = new StreamReader(stream);
            result = sr.ReadToEnd();
        }
        Label1.Text = result.ToString();

    }
}