how change Username And Password to proxy
<p>I have username and password to login a web site but i need login with proxy
how can change username and pass to proxy
i can login to web site with this url www.mydomain.com?user=1&amp;pass=2 or insert user and pass to login page
how i can login web site with HttpWebRequest in asp.net C#?</p>

<pre><code>&lt;code&gt;
Encoding encode = System.Text.Encoding.GetEncoding("utf-8");
HttpWebRequest Request = (HttpWebRequest)HttpWebRequest.Create(Url);
HttpWebResponse Response = (HttpWebResponse)Request.GetResponse();


&lt;/code&gt;
</code></pre>
