const string isAPI_partialPath = @"v4.0.30319\aspnet_isapi.dll";        static void Main(string[] args)        {            ServerManager svrMgr = new ServerManager();            Configuration config = svrMgr.GetApplicationHostConfiguration();            ConfigurationSection section = config.GetSection("system.webServer/security/isapiCgiRestriction");            foreach (ConfigurationElement item in section.GetCollection())//这里是GetCollection(),不是ChildElement。诸如
     的标签是集合不是它的子元素            {                if (item.Attributes.Count > 0 && item.Attributes["path"].Value != null && item.Attributes["path"].Value.ToString().EndsWith(isAPI_partialPath))                {                    item.Attributes["allowed"].Value = true;                }            }            svrMgr.CommitChanges();        }