Mvcsitemapprovider mvc站点地图提供程序：菜单消失

我正在使用mvcsitemap为我正在开发的Web应用程序创建菜单、子菜单和面包屑。我在xml配置中使用PreserveRouteValue，以便在呈现链接时绕过我的（许多）参数。当用户开始使用查询参数时，菜单/子菜单/面包屑会在加载一些页面后消失。这是不一致的，我不能复制它所有的时间，但它发生的方式太多

我的路线

routes.MapRoute(
                    name: "ForwardCurveDefault",
                    url: "forward-curve/{commoditycode}/{selectedyear}-{selectedmonth}-{selectedday}",
                    defaults: new {
                        controller = "ForwardCurve", action = "index",
                        selectedyear = default(DateTime).Year,
                        selectedmonth = default(DateTime).Month,
                        selectedday = default(DateTime).Day,
                        commoditycode = "none"
                    }
                );
routes.MapRoute(
                    name: "Consumption",
                    url: "consumption/{commoditycode}/{managedcompanyid}/{entityid}/{startyear}-{startmonth}-{startday}/{endyear}-{endmonth}-{endday}",
                    defaults: new {
                        controller = "Consumption", action = "Index",
                        // begining of current month.
                        startyear = default(DateTime).Year,
                        startmonth = default(DateTime).Month,
                        startday = default(DateTime).Day,
                        // end of current month.
                        endyear = default(DateTime).Year,
                        endmonth = default(DateTime).Month,
                        endday = default(DateTime).Day,
                        commoditycode = "none",
                        managedcompanyid = 0,
                        entityid = 0,
                    }
                );

 routes.MapRoute(
                    name: "Budget",
                    url: "budget/{commoditycode}/{managedcompanyid}/{entityid}/{startyear}-{startmonth}-{startday}/{endyear}-{endmonth}-{endday}",
                    defaults: new {
                        controller = "Budget", action = "Index",
                        // begining of current month.
                        startyear = default(DateTime).Year,
                        startmonth = default(DateTime).Month,
                        startday = default(DateTime).Day,
                        // end of current month.
                        endyear = default(DateTime).Year,
                        endmonth = default(DateTime).Month,
                        endday = default(DateTime).Day,
                        commoditycode = "none",
                        managedcompanyid = 0,
                        entityid = 0,
                    }
                );

我的网站地图

<mvcSiteMapNode title="Data Management" controller="ForwardCurve" action="Index" key="DataManagement" preservedRouteParameters="commoditycode,selectedyear,selectedmonth,selectedday">
  <mvcSiteMapNode title="Forward curves" controller="ForwardCurve" action="Index" key="forwardcurve" preservedRouteParameters="commoditycode,selectedyear,selectedmonth,selectedday"/>
  <mvcSiteMapNode title="Consumption" controller="Consumption" action="Index" key="consumption" preservedRouteParameters="commoditycode,managedcompanyid,entityid,startyear,startmonth,startday,endyear,endmonth,endday"/>
  <mvcSiteMapNode title="Budget" controller="Budget" action="Index" key="budget" preservedRouteParameters="commoditycode,managedcompanyid,entityid,startyear,startmonth,startday,endyear,endmonth,endday"/>
</mvcSiteMapNode>

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我有一份不错的菜单。在来回切换到不同的查询值之后，我最终进入了一个包含有效URL且没有菜单的页面。我可以看到我的currentNode为空。

您是否已与签出此项？节点匹配逻辑有了一些显著的改进