How can I get the root domain URI in ASP.NET?

Question

Let\'s say I\'m hosting a website at http://www.foobar.com.

Is there a way I can programmatically ascertain \"http://www.foobar.com/\" in my code behind (i.e. witho

Answer 1

string host = Request.Url.Host;
Regex domainReg = new Regex("([^.]+\\.[^.]+)$");
HttpCookie cookie = new HttpCookie(cookieName, "true");
if (domainReg.IsMatch(host))
{
  cookieDomain = domainReg.Match(host).Groups[1].Value;                                
}