System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Xml.XmlAttributeCollection.get_ItemOf(String name)
   at tfox.fenzhan.NGenerateSub.GeneratetfoxFields(String entity, XmlNode node)
   at tfox.fenzhan.NGenerateSub.GetData(String entity, String filter)
   at tfox.fenzhan.NGenerateSub.BindData(Match match, StringBuilder sb)
   at tfox.fenzhan.NGenerateSub.BindData(StringBuilder sb, String rootPath, String template)
   at tfox.fenzhan.NGenerateSub.GenerateHead(String rootPath, String template)
   at tfox.fenzhan.NGenerateSub.BindFixData(StringBuilder sb, String rootPath, String template)
   at tfox.fenzhan.NGenerateSub.BindData(StringBuilder sb, String rootPath, String template)
   at tfox.fenzhan.NGenerateSub.GenerateProList(String rootPath, String template, String typeid1, String id, String city, String py, String page)