Get the domain name of the website in ASP.NET
Author：Eve Cole
Update Time：2009-06-30 16:26:18
Dim url, host_url, no_http, host_name As String '定义变量
url = HttpContext.Current.Request.Url.ToString '获取当前页的URL
no_http = url.Substring(url.IndexOf("//") + 2) '截取去掉HTTP://的URL
host_url = "http://" & no_http.Substring(0, no_http.IndexOf("/") + 1) '组合成当前网站的域名
