[DirectoryNotFoundException: 未能找到路径“D:\work-集客\DsWebs\DsWeb\DS.Web\dist\bin\roslyn\csc.exe”的一部分。]
   System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +273
   System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) +1132
   System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) +133
   Microsoft.CodeDom.Providers.DotNetCompilerPlatform.Compiler.get_CompilerName() +127
   Microsoft.CodeDom.Providers.DotNetCompilerPlatform.Compiler.FromFileBatch(CompilerParameters options, String[] fileNames) +832
   Microsoft.CodeDom.Providers.DotNetCompilerPlatform.Compiler.CompileAssemblyFromFileBatch(CompilerParameters options, String[] fileNames) +189
   System.Web.Compilation.AssemblyBuilder.Compile() +1896
   System.Web.Compilation.BuildProvidersCompiler.PerformBuild() +306
   System.Web.Compilation.ApplicationBuildProvider.GetGlobalAsaxBuildResult(Boolean isPrecompiledApp) +331
   System.Web.Compilation.BuildManager.CompileGlobalAsax() +49
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +331

[HttpException (0x80004005): 未能找到路径“D:\work-集客\DsWebs\DsWeb\DS.Web\dist\bin\roslyn\csc.exe”的一部分。]
   System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() +73
   System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +646
   System.Web.Compilation.BuildManager.CallAppInitializeMethod() +36
   System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +893

[HttpException (0x80004005): 未能找到路径“D:\work-集客\DsWebs\DsWeb\DS.Web\dist\bin\roslyn\csc.exe”的一部分。]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +525
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +124
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +700