获取指定URL的数据

private string GetWebContent(string Url)

{

string strResult = "";

try

{

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);

//声明一个HttpWebRequest请求

request.Timeout = 30000;

//设置连接超时时间

request.Headers.Set("Pragma", "no-cache");

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

Stream streamReceive = response.GetResponseStream();

Encoding encoding = Encoding.GetEncoding("GB2312");

StreamReader streamReader = new StreamReader(streamReceive, encoding);

strResult = streamReader.ReadToEnd();

}

catch

{

MessageBox.Show("出错");

}

return strResult;

}