“CreateRiaClientFilesTask”任务意外失败。 未能加载文件程序集“System.ComponentModel.DataAnnot...

错误  77  “CreateRiaClientFilesTask”任务意外失败。  System.Web.HttpException (0x80004005): 未能加载文件或程序集“System.ComponentModel.DataAnnotations, Version=5.0.5.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217”或它的某一个依赖项。参数错误。 (异常来自 HRESULT:0x80070057 (E_INVALIDARG)) ---> System.Configuration.ConfigurationErrorsException: 未能加载文件或程序集“System.ComponentModel.DataAnnotations, Version=5.0.5.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217”或它的某一个依赖项。参数错误。 (异常来自 HRESULT:0x80070057 (E_INVALIDARG)) ---> System.IO.FileLoadException: 未能加载文件或程序集“System.ComponentModel.DataAnnotations, Version=5.0.5.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217”或它的某一个依赖项。参数错误。 (异常来自 HRESULT:0x80070057 (E_INVALIDARG)) ---> System.IO.FileLoadException: 未能加载文件或程序集“System.ComponentModel.DataAnnotations”或它的某一个依赖项。参数错误。 (异常来自 HRESULT:0x80070057 (E_INVALIDARG))       --- 内部异常堆栈跟踪的结尾 ---     在 System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)       在 System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)       在 System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)       在 System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)       在 System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)       在 System.Reflection.Assembly.Load(String assemblyString)       在 System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective)       --- 内部异常堆栈跟踪的结尾 ---     在 System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective)       在 System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory()       在 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai)       在 System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig)       在 System.Web.Compilation.BuildManager.GetPreStartInitMethodsFromReferencedAssemblies()       在 System.Web.Compilation.BuildManager.CallPreStartInitMethods(String preStartInitListPath, Boolean& isRefAssemblyLoaded)       在 System.Web.Compilation.BuildManager.ExecutePreAppStart()       在 System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException)       在 System.Web.Compilation.ClientBuildManager.EnsureHostCreated()       在 System.Web.Compilation.ClientBuildManager.CreateObject(Type type, Boolean failIfExists)       在 Microsoft.ServiceModel.DomainServices.Tools.CreateRiaClientFilesTask.GenerateClientProxies()       在 Microsoft.ServiceModel.DomainServices.Tools.CreateRiaClientFilesTask.ExecuteInternal()       在 Microsoft.ServiceModel.DomainServices.Tools.RiaClientFilesTask.Execute()       在 Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()

在 Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__20.MoveNext()

问题如上：处理方法：把"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files"目录下的所有文件统统删除，