程式技術區

 public string GetHost()
{
    string domain = string.Empty;

    try
    {
        string htmloc = HtmlPage.Window.Eval("window.location.href;") as string;

        domain = htmloc.Replace("http://", String.Empty);

        if (domain.Contains("/"))
            domain = "http://" + domain.Substring(0, domain.IndexOf("/"));
    }
    catch
    {
        return string.Empty;
    }

    return domain;
}