Url重写的简单方法

 protected void Application_BeginRequest(Object sender, EventArgs e)    {        string oldUrl = HttpContext.Current.Request.RawUrl;

        string pattern = @"^(.+)News(/d+)/.html(/?.*)*$";        string replace = "$1NewsDetails.aspx?NID=$2";        if (Regex.IsMatch(oldUrl, pattern, RegexOptions.IgnoreCase | RegexOptions.Compiled))        {            string newUrl = Regex.Replace(oldUrl, pattern, replace, RegexOptions.Compiled | RegexOptions.IgnoreCase);            this.Context.RewritePath(newUrl);        }

}