c#如何在webbrowser中自动关闭网页弹出的js的alert对话框
c#的Winform窗体,用webbrowser读取一个网页,网页的js脚本会弹出一个alert对话框。
请问如何能够阻止这种js的alert对话框弹出?或者自动关闭掉这个js的alert对话框?
查了一些办法,都不起作用,我是新手,请大家给指点一下吧。谢谢了!
------解决方案--------------------
参考以下代码:
using System.Web;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;  
public partial class Form1 : Form
   {
       public Form1()
       {
           InitializeComponent();
       }  
       private void button1_Click(object sender, EventArgs e)
       {
           string url = "http://www.msn.com";
           string htmlDocText = TrimScript(GetHtmlContent(url));
           File.WriteAllText("D:\\temp.htm", htmlDocText);
           webBrowser1.Url = new Uri("D:\\temp.htm");
       }  
       private string GetHtmlContent(string url)
       {
           string htmlContentText = String.Empty;
           HttpWebRequest httpWebRequest = null;
           HttpWebResponse httpWebResponse = null;
           StreamReader streamReader = null;
           try
           {
               httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
               httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
               httpWebRequest.Timeout = 5000;  
               streamReader = new StreamReader(httpWebResponse.GetResponseStream(), Encoding.Default);
               htmlContentText = streamReader.ReadToEnd();
               streamReader.Close();
               httpWebResponse.Close();
           }
           catch { }
           finally
           {
               httpWebResponse.Close();
               streamReader.Close();
           }
           return htmlContentText;
       }  
       private string TrimScript(string htmlDocText)
       {
           string bodyText = "";
           string trimJavascript = "<script type=\"text/javascript\">(.*?)</script>";
           Regex regexTrimJs = new Regex(trimJavascript);
           bodyText = regexTrimJs.Replace(htmlDocText, "");
           return bodyText;
       }
}