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我剛剛修復了其他人使用visual studio 2012的舊項目。我認爲它是建立在MVC4上，因爲它仍然使用WebMatrix.Data和WebMatrix.WebData。因爲我沒有vs版本，所以我使用的是Visual Studio 2013社區版，並運行安裝包更新。修好之後，我試着運行它時遇到了這個問題。以下是錯誤消息：剃刀Vew參考錯誤
Server Error in '/' Application.
Could not load file or assembly 'System.Web.Razor, Version=3.0.0.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its
dependencies. The system cannot find the file specified.
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information
about the error and where it originated in the code.
Exception Details: System.IO.FileNotFoundException: Could not load file or
assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system
cannot find the file specified.
Source Error:
An unhandled exception was generated during the execution of the current
web request. Information regarding the origin and location of the exception
can be identified using the exception stack trace below.
Assembly Load Trace: The following information can be helpful to determine
why the assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35' could not be loaded.
=== Pre-bind state information ===
LOG: DisplayName = System.Web.Razor, Version=3.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35
(Fully-specified)
LOG: Appbase = file:///D:/BitBucketGit/DirtOilGas.Website/
LOG: Initial PrivatePath = D:\BitBucketGit\DirtOilGas.Website\bin
Calling assembly : System.Web.WebPages.Razor, Version=3.0.0.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35.
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: D:\BitBucketGit
\DirtOilGas.Website\web.config
LOG: Using host configuration file: C:\Users\amie\Documents\IISExpress
\config\aspnet.config
LOG: Using machine configuration file from C:\Windows\Microsoft.NET
\Framework\v4.0.30319\config\machine.config.
LOG: Post-policy reference: System.Web.Razor, Version=3.0.0.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET
/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a
/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET
/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a
/System.Web.Razor/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///D:/BitBucketGit
/DirtOilGas.Website/bin/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///D:/BitBucketGit
/DirtOilGas.Website/bin/System.Web.Razor/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET
/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a
/System.Web.Razor.EXE.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET
/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a
/System.Web.Razor/System.Web.Razor.EXE.
LOG: Attempting download of new URL file:///D:/BitBucketGit
/DirtOilGas.Website/bin/System.Web.Razor.EXE.
LOG: Attempting download of new URL file:///D:/BitBucketGit
/DirtOilGas.Website/bin/System.Web.Razor/System.Web.Razor.EXE.
Stack Trace:
[FileNotFoundException: Could not load file or assembly 'System.Web.Razor,
Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one
of its dependencies. The system cannot find the file specified.]
WebMatrix.WebData.PreApplicationStartCode.Start() +0
[InvalidOperationException: The pre-application start initialization method
Start on type WebMatrix.WebData.PreApplicationStartCode threw an exception
with the following error message: Could not load file or assembly
'System.Web.Razor, Version=3.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system
cannot find the file specified..]
System.Web.Compilation.BuildManager.InvokePreStartInitMethodsCore(ICollection`1
methods, Func`1 setHostingEnvironmentCultures) +547
System.Web.Compilation.BuildManager.InvokePreStartInitMethods(ICollection`1
methods) +132
System.Web.Compilation.BuildManager.CallPreStartInitMethods(String
preStartInitListPath, Boolean& isRefAssemblyLoaded) +102
System.Web.Compilation.BuildManager.ExecutePreAppStart() +153
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager
appManager, IApplicationHost appHost, IConfigMapPathFactory
configMapPathFactory, HostingEnvironmentParameters hostingParameters,
PolicyLevel policyLevel, Exception appDomainCreationException) +521
[HttpException (0x80004005): The pre-application start initialization method
Start on type WebMatrix.WebData.PreApplicationStartCode threw an exception
with the following error message: Could not load file or assembly
'System.Web.Razor, Version=3.0.0.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system
cannot find the file specified..]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9930508
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +101
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest
wr, HttpContext context) +254
Server Error in '/' Application.
Could not load file or assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.IO.FileNotFoundException: Could not load file or assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Assembly Load Trace: The following information can be helpful to determine why the assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.
=== Pre-bind state information ===
LOG: DisplayName = System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
(Fully-specified)
LOG: Appbase = file:///D:/BitBucketGit/DirtOilGas.Website/
LOG: Initial PrivatePath = D:\BitBucketGit\DirtOilGas.Website\bin
Calling assembly : System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35.
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: D:\BitBucketGit\DirtOilGas.Website\web.config
LOG: Using host configuration file: C:\Users\amie\Documents\IISExpress\config\aspnet.config
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v4.0.30319\config\machine.config.
LOG: Post-policy reference: System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a/System.Web.Razor/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///D:/BitBucketGit/DirtOilGas.Website/bin/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///D:/BitBucketGit/DirtOilGas.Website/bin/System.Web.Razor/System.Web.Razor.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a/System.Web.Razor.EXE.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/vs/86bf6c81/eeee762a/System.Web.Razor/System.Web.Razor.EXE.
LOG: Attempting download of new URL file:///D:/BitBucketGit/DirtOilGas.Website/bin/System.Web.Razor.EXE.
LOG: Attempting download of new URL file:///D:/BitBucketGit/DirtOilGas.Website/bin/System.Web.Razor/System.Web.Razor.EXE.
Stack Trace:
[FileNotFoundException: Could not load file or assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.]
WebMatrix.WebData.PreApplicationStartCode.Start() +0
[InvalidOperationException: The pre-application start initialization method Start on type WebMatrix.WebData.PreApplicationStartCode threw an exception with the following error message: Could not load file or assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified..]
System.Web.Compilation.BuildManager.InvokePreStartInitMethodsCore(ICollection`1 methods, Func`1 setHostingEnvironmentCultures) +547
System.Web.Compilation.BuildManager.InvokePreStartInitMethods(ICollection`1 methods) +132
System.Web.Compilation.BuildManager.CallPreStartInitMethods(String preStartInitListPath, Boolean& isRefAssemblyLoaded) +102
System.Web.Compilation.BuildManager.ExecutePreAppStart() +153
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +521
[HttpException (0x80004005): The pre-application start initialization method Start on type WebMatrix.WebData.PreApplicationStartCode threw an exception with the following error message: Could not load file or assembly 'System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified..]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9930508
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +101
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +254
也有類似的問題關於SO，http://stackoverflow.com/questions/19959406/runtime-error-could-not-load-file-or-assembly-system-web-webpages-razor-versi – SBirthare 2015-04-01 07:28:25