代理错误访问https

Question

我用这一小段代码访问远程的URI：

Uri uri = "http://www.myurl.com"; 
WebRequest wreq = WebRequest.Create(uri); 
((HttpWebRequest)wreq).UserAgent = "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.75 Safari/537.1"; 
wreq.Proxy = WebRequest.DefaultWebProxy; 

这是所有“HTTP” URI可以正常使用。但是，当切换到以下类型的Uri（https）时，我得到一个请求验证的代理错误407（Exception的日志告诉凭证不好）。你有什么想法我可以如何处理这个？

Uri uri = "https://www.myurl.com"; 
WebRequest wreq = WebRequest.Create(uri); 
((HttpWebRequest)wreq).UserAgent = "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.75 Safari/537.1"; 
wreq.Proxy = WebRequest.DefaultWebProxy; 

最好的问候，

Al_th

Answer 1

试试这个

private string GetPageSource(string url) 
{ 
    string htmlSource = string.Empty; 
    try 
    { 
     System.Net.WebProxy myProxy = new System.Net.WebProxy("Proxy IP", 8080); 
     using (System.Net.WebClient client = new System.Net.WebClient()) 
     { 
      client.Proxy = myProxy; 
      client.Proxy.Credentials = new System.Net.NetworkCredential("username", "password"); 
      htmlSource = client.DownloadString(url); 
     } 
    } 
    catch (WebException ex) 
    { 
     // log any exceptions 
    } 
    return htmlSource; 
}