小编Bea*_*ode的帖子

我在约定路由旁边启用了 MVC 属性路由。每次运行应用程序时都会出现此错误。

“DefaultInlineConstraintResolver”类型的内联约束解析器无法解析以下内联约束：“字符串”。说明：在执行当前 Web 请求期间发生未处理的异常。请查看堆栈跟踪以获取有关错误及其在代码中的来源的更多信息。

异常详细信息：System.InvalidOperationException：“DefaultInlineConstraintResolver”类型的内联约束解析器无法解析以下内联约束：“string”。

这是堆栈跟踪：

[InvalidOperationException异常：类型DefaultInlineConstraintResolver'的内联约束解算器无法解决以下内嵌约束：“字符串”]
System.Web.Mvc.Routing.InlineRouteTemplateParser.GetInlineConstraint（集团constraintGroup，布尔isOptional，IInlineConstraintResolver constraintResolver）389
系统.Web.Mvc.Routing.InlineRouteTemplateParser.ParseRouteTemplate（字符串routeTemplate，IDictionary的2 defaults, IDictionary2个约束，IInlineConstraintResolver constraintResolver）488
System.Web.Mvc.Routing.DirectRouteFactoryContext.CreateBuilder（字符串模板，IInlineConstraintResolver constraintResolver）308
System.Web.Mvc.Routing .DirectRouteFactoryContext.CreateBuilderInternal（字符串模板）+48
System.Web.Mvc.Routing.DirectRouteFactoryContext.CreateBuilder(String template) +44
System.Web.Mvc.RouteAttribute.System.Web.Mvc.Routing.IDirectRouteFactory.CreateRoute(DirectRouteFactoryContext context) +80
System.Web.Mvc.Routing。 DefaultDirectRouteProvider.CreateRouteEntry(String areaPrefix, String controllerPrefix, IDirectRouteFactory factory, IReadOnlyCollection 1 factory, IReadOnlyCollection 1 factory, IInlineConstraintResolverconstraintResolver) +188 System.Web.Mvc.Routing.DefaultDirectRouteProvider.GetDirectRoutes(ControllerDescriptor controllerOnlyConstraintProvider, IsolvRoute controllerOntrainResolver, Isolver controllerOnlyResolver, IReadOnlyCollection 1 ) +2341 actions, IInlineConstraintResolver constraintResolver, Boolean targetIsAction) +115
System.Web.Mvc.Routing.DefaultDirectRouteProvider.CreateRouteEntries(String areaPrefix, String controllerPrefix, IReadOnlyCollection1 actions, IInlineConstraintResolver constraintResolver, Boolean targetIsAction) +155
System.Web.Mvc.Routing.DefaultDirectRouteProvider.GetActionDirectRoutes(ActionDescriptor actionDescriptor, IReadOnlyList
1 actionDescriptors, IInlineConstraintResolver constraintResolver) +245
System.Web.Mvc.Routing.AttributeRoutingMapper.AddRouteEntries(SubRouteCollection …