在使用ASP.NET MVC 3的计算机上安装ASP.NET MVC 4 Beta后,我收到以下异常.
System.InvalidCastException未由用户代码处理Message = [A] System.Web.WebPages.Razor.Configuration.HostSection无法强制转换为[B] System.Web.WebPages.Razor.Configuration.HostSection.类型A源自'System.Web.WebPages.Razor,Version = 1.0.0.0,Culture = neutral,PublicKeyToken = 31bf3856ad364e35',位于'默认'位置'C:\ Windows\Microsoft.Net\assembly\GAC_MSIL\System .Web.WebPages.Razor\v4.0_1.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll".\的Windows\Microsoft.Net \组件\ GAC_MSIL \系统:B型从 'System.Web.WebPages.Razor,版本= 2.0.0.0,文化=中性公钥= 31bf3856ad364e35' 在位置上下文 '默认'"C起源.Web.WebPages.Razor\v4.0_2.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll".来源= System.Web.WebPages.Razor
堆栈跟踪:
位于System.Web.WebPages.Razor.Razor.RazorBuildProvider.GetHostFromConfig()的System.Web.WebPages.Razor.WebRazorHostFactory.CreateHostFromConfig(String virtualPath,String physicalPath)上的System.Web.WebPages.Razor.WebRazorHostFactory.GetRazorSection(String virtualPath)处系统.Web.WebPages.Razor.RazorBuildProvider.CreateHost()位于System.Web.WebPages.Razor.RazorBuildProvider.EnsureGeneratedCode(),System.Web.WebPages.Razor.RazorBuildProvider.get_CodeCompilerType()位于System.Web.Compilation.BuildProvider. System.Web.Compilation上的System.Web.Compilation.Build上的System.Web.Compilation.Build上的System.Web.Compilation.Build上的System.Web.Compilation.BuildProvidersCompiler.PerformBuild()的System.Web.Compilation.Build上的GetCompilerTypeFromBuildProvider(BuildProvider buildProvider)位于System.Web.Compilation上的System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath虚拟路径). BuildManager.GetVPathBuildResultInternal(virtualPath virtualPath,布尔noBuild,布尔allowCrossApp,布尔allowBuildInPrecompile,布尔throwIfNotFound,布尔ensureIsUpToDate)一 System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath,HttpContext context,Boolean)中的System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context,VirtualPath virtualPath,Boolean noBuild,Boolean allowCrossApp,Boolean allowBuildInPrecompile,Boolean throwIfNotFound,Boolean ensureIsUpToDate) System.Web.Mvc上System.Web.Mvc.BuildManagerViewEngine.FileExists(ControllerContext controllerContext,String virtualPath)上的System.Web.Mvc.BuildManagerWrapper.System.Web.Mvc.IBuildManager.FileExists(String virtualPath)中的allowCrossApp,Boolean throwIfNotFound System.Web.Mvc.VirtualPathProviderViewEngine.GetPath(ControllerContext controllerContext,String []位置,.VirtualPathProviderViewEngine.GetPathFromGeneralName(ControllerContext controllerContext,List`1位置,String name,String controllerName,String areaName,String cacheKey,String []&searchingLocations), String [] areaLocations,String locationsPropertyName,S 在System.Web.Mvc.ViewEngineCollection上的System.Web.Mvc.VirtualPathProviderViewEngine.FindView(ControllerContext controllerContext,String viewName,String masterName,Boolean useCache)中输入name,String controllerName,String cacheKeyPrefix,Boolean useCache,String []&searchingLocations).位于System.Web.Mvc.ViewEngineCollection.FindView(ControllerContext controllerContext,String viewName,String masterName)的System.Web.Mvc.ViewEngineCollection.Find(Func`2 lookup,Boolean trackSearchedPaths)上的<> c__DisplayClassc.b__b(IViewEngine …