asp.net-mvc-3 – 将我的MVC 3应用程序迁移到MVC 4

发布时间：2020-12-15 18:33:33 所属栏目：asp.Net 来源：网络整理

导读：我真的不知道该怎么做，我正在关注 this article，显示如何手动迁移我的MVC 3应用程序。我遵循所有步骤，但运行我的应用程序时，出现以下错误： Server Error in ‘/’ Application. Could not load file or assembly ‘System.Web.WebPages.Razor, Version

我真的不知道该怎么做，我正在关注 this article，显示如何手动迁移我的MVC 3应用程序。

我遵循所有步骤，但运行我的应用程序时，出现以下错误：

Server Error in ‘/’ Application.

Could not load file or assembly ‘System.Web.WebPages.Razor,
Version=1.0.0.0,Culture=neutral,PublicKeyToken=31bf3856ad364e35’ or
one of its dependencies. The located assembly’s manifest definition
does not match the assembly reference. (Exception from HRESULT:
0x80131040)

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.FileLoadException: Could not load file or
assembly ‘System.Web.WebPages.Razor,Version=1.0.0.0,
PublicKeyToken=31bf3856ad364e35’ or one of its dependencies. The
located assembly’s manifest definition does not match the assembly
reference. (Exception from HRESULT: 0x80131040)

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.WebPages.Razor,PublicKeyToken=31bf3856ad364e35’
could not be loaded.

WRN: Assembly binding logging is turned OFF. To enable assembly bind
failure logging,set the registry value
[HKLMSoftwareMicrosoftFusion!EnableLog] (DWORD) to 1. Note: There
is some performance penalty associated with assembly bind failure
logging. To turn this feature off,remove the registry value
[HKLMSoftwareMicrosoftFusion!EnableLog].

Stack Trace:

[FileLoadException: Could not load file or assembly
‘System.Web.WebPages.Razor,
PublicKeyToken=31bf3856ad364e35’ or one of its dependencies. The
located assembly’s manifest definition does not match the assembly
reference. (Exception from HRESULT: 0x80131040)]
Microsoft.Web.Samples.PreApplicationStartCode.Start() +0

[InvalidOperationException: The pre-application start initialization
method Start on type Microsoft.Web.Samples.PreApplicationStartCode
threw an exception with the following error message: Could not load
file or assembly ‘System.Web.WebPages.Razor,
Culture=neutral,PublicKeyToken=31bf3856ad364e35’ or one of its
dependencies. The located assembly’s manifest definition does not
match the assembly reference. (Exception from HRESULT: 0x80131040).]
System.Web.Compilation.BuildManager.InvokePreStartInitMethods(ICollection`1
methods) +423
System.Web.Compilation.BuildManager.CallPreStartInitMethods() +306
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager
appManager,IApplicationHost appHost,IConfigMapPathFactory
configMapPathFactory,HostingEnvironmentParameters hostingParameters,
PolicyLevel policyLevel,Exception appDomainCreationException) +677

[HttpException (0x80004005): The pre-application start initialization
method Start on type Microsoft.Web.Samples.PreApplicationStartCode
threw an exception with the following error message: Could not load
file or assembly ‘System.Web.WebPages.Razor,PublicKeyToken=31bf3856ad364e35’ or one of its
dependencies. The located assembly’s manifest definition does not
match the assembly reference. (Exception from HRESULT: 0x80131040).]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9079340
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +97
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest
wr,HttpContext context) +256

Version Information: Microsoft .NET Framework Version:4.0.30319;
ASP.NET Version:4.0.30319.237

我查看了代码，但是在1.0版本2.0中，我没有看到System.Web.WebPages.Razor的引用。

解决方法

使用NuGet并添加包Microsoft.AspNet.Mvc(Microsoft Asp.Net Mvc 4)。这应该升级您的参考。看到：

07000

您将需要升级web.config中的程序集引用。

从根web.config中删除：

<assemblies>
  <add assembly="System.Web.Helpers,PublicKeyToken=31BF3856AD364E35" />
  <add assembly="System.Web.Mvc,Version=3.0.0.0,PublicKeyToken=31BF3856AD364E35" />
  <add assembly="System.Web.WebPages,PublicKeyToken=31BF3856AD364E35" />
</assemblies>

添加到根web.config：

<runtime>
  <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
    <dependentAssembly>
      <assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" />
      <bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="2.0.0.0" />
    </dependentAssembly>
    <dependentAssembly>
      <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
      <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
    </dependentAssembly>
    <dependentAssembly>
      <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />
      <bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="2.0.0.0" />
    </dependentAssembly>
  </assemblyBinding>
</runtime>

查看/ Web.Config中：

将剃刀从1.0.0.0更改为2.0.0.0：

<configSections>
  <sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup,System.Web.WebPages.Razor,Version=2.0.0.0,PublicKeyToken=31BF3856AD364E35">
    <section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection,PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
    <section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection,PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
  </sectionGroup>
</configSections>

<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory,System.Web.Mvc,Version=4.0.0.0,PublicKeyToken=31BF3856AD364E35" />

<pages validateRequest="false"
       pageParserFilterType="System.Web.Mvc.ViewTypeParserFilter,PublicKeyToken=31BF3856AD364E35"
       pageBaseType="System.Web.Mvc.ViewPage,PublicKeyToken=31BF3856AD364E35"
       userControlBaseType="System.Web.Mvc.ViewUserControl,PublicKeyToken=31BF3856AD364E35">
  <controls>
    <add assembly="System.Web.Mvc,PublicKeyToken=31BF3856AD364E35" namespace="System.Web.Mvc" tagPrefix="mvc" />
  </controls>
</pages>

（编辑：李大同）

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