cậu viết áp dụng luôn vào link mình vd ấy. thanks cậupublic string getURL(string url)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0";
request.Accept = "*/*";
request.Headers.Add("Accept-Language: en-US,en;q=0.5");
HttpWebResponse res = (HttpWebResponse)request.GetResponse();
Stream str = res.GetResponseStream();
StreamReader streader = new StreamReader(str);
string htmlContent = streader.ReadToEnd();
return htmlContent;
}

 
	