取一個頁面的返回值，儲存到一個string變數裡

using System;<br /> using System.Collections.Generic;<br /> using System.ComponentModel;<br /> using System.Data;<br /> using System.Drawing;<br /> using System.Linq;<br /> using System.Text;<br /> using System.Windows.Forms;<br /> using System.Net;<br /> using System.IO;</p> <p>namespace WindowsFormsApplication1<br /> {<br /> public partial class Form1 : Form<br /> {<br /> public Form1()<br /> {<br /> InitializeComponent();<br /> }</p> <p> private void button1_Click(object sender, EventArgs e)<br /> {<br /> WebClient client = new WebClient();<br /> byte[] bt = client.DownloadData(“http://www.anttna.com/cell2gps/cell2gps.php?lac=4493&cellid=8473”);<br /> string s = System.Text.Encoding.GetEncoding(“GB2312”).GetString(bt);<br /> Console.WriteLine(s);<br /> this.label1.Text = s;<br /> }<br /> public static string GetPageHTML(string url)<br /> {</p> <p> try<br /> {<br /> HttpWebRequest wr = WebRequest.Create(url) as HttpWebRequest;<br /> wr.Method = “get”;<br /> wr.Accept = “*/*”;<br /> wr.Headers.Add(“Accept-Language: zh-cn”);<br /> wr.Headers.Add(“UA-CPU: x86”);<br /> wr.Headers.Add(“Accept-Encoding: gzip, deflate”);<br /> wr.UserAgent = “Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Embedded Web Browser from: http://bsalsa.com/; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)”;<br /> wr.KeepAlive = true;<br /> wr.ServicePoint.Expect100Continue = false;<br /> wr.AllowAutoRedirect = false;</p> <p> HttpWebResponse wre = wr.GetResponse() as HttpWebResponse;<br /> StreamReader sreader = new StreamReader(wre.GetResponseStream(), Encoding.GetEncoding(“GBK”));<br /> string sHtml = sreader.ReadToEnd();<br /> wre.Close();<br /> return sHtml;<br /> }<br /> catch<br /> {<br /> return “”;<br /> }<br /> }</p> <p> private void button2_Click(object sender, EventArgs e)<br /> {<br /> string a = GetPageHTML(“http://www.hodohome.net/productlist.aspx?id=158”);<br /> this.label1.Text=a;<br /> } </p> <p> }<br /> }<br />