使用htmlagilitypack进行页面html抓取,报如下错
代码如下:
namespace PickData
{
public partial class Picks : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
if(!string.IsNullOrEmpty(Request.Form["PickPage"]))
{
DoPicks();
}
}
}
private void DoPicks()
{
string url = "http://mas.wenming.cn/jj/";
WebRequest rGet = WebRequest.Create(url);
WebResponse rSet = rGet.GetResponse();
Stream s = rSet.GetResponseStream();
StreamReader reader = new StreamReader(s, Encoding.UTF8);
string htmlstr=reader.ReadToEnd();
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(htmlstr);
HtmlNode rootnode = doc.DocumentNode;
HtmlNodeCollection licollection = rootnode.SelectNodes("//table/tr/td/ul/li");
}
}
}