networkcredentials

I use the following code to obtaing html data from the internet: WebProxy p = new WebProxy("localproxyIP:8080", true); p.Credentials = new NetworkCredential("domain\\user", "password"); WebRequest.DefaultWebProxy = p; WebClient client = new WebClient(); string downloadString = client.DownloadString("http://www.google.com"); But the following error is appeared: "Proxy Authentication Required". I can't use default proxy because of my code runs from windows service under the special account which there is no default proxy settings for. So, I want to specidy all proxy settings in my code. Please

I am trying to read a file on a network server (from a Windows XP machine), which I would normally access by asking for \\ServerName\dirPath\ in the run dialog. Right now, I have to write a program that reads the file off the server and returns some results on my PC. The problem that I'm facing is that the login name on my PC does not have a login account on the server. As a result, I am unable to read the file on the server when I tried: f = open(r'\\server\path\to\file', 'r') I know that I can fix this by adding a user account to the server or to my PC, but short of those solutions, is there

I have used the following code to send mail from my web application using a gmail account. My question is, can i change the sender address to another address other than original sender(gmail) address? My code is as follows: System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage(); System.Net.NetworkCredential cred = new System.Net.NetworkCredential("sample@gmail.com", "*******"); Whatever i do is useless as i always receive mail from sample@gmail.com . Is it possible to change it? I have changed to mail.From = new System.Net.Mail.MailAddress("sample@yahoo.com"); but i received the