【MVC4升级到MVC5】ASP.Net MVC 4项目升级MVC 5的方法

1、备份你的项目

2、从Web API升级到Web API 2，修改global.asax，将

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1	WebApiConfig.Register(GlobalConfiguration.Configuration);

修改为

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1	GlobalConfiguration.Configure(WebApiConfig.Register);

3、通过Nuget，更新下面的包

包名	旧版本	新版本
Microsoft.AspNet.Razor	2.0.x.x	3.0.0
Microsoft.AspNet.WebPages	2.0.x.x	3.0.0
Microsoft.AspNet.WebPages.WebData	2.0.x.x	3.0.0
Microsoft.AspNet.WebPages.OAuth	2.0.x.x	3.0.0
Microsoft.AspNet.Mvc	4.0.x.x	5.0.0
Microsoft.AspNet.Mvc.Facebook	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi.Core	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi.SelfHost	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi.Client	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi.OData	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi.WebHost	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi.Tracing	4.0.x.x	5.0.0
Microsoft.AspNet.WebApi.HelpPage	4.0.x.x	5.0.0
Microsoft.Net.Http	2.0.x.	2.2.x.
Microsoft.Data.OData	5.2.x	5.6.x
System.Spatial	5.2.x	5.6.x
Microsoft.Data.Edm	5.2.x	5.6.x
Microsoft.AspNet.Mvc.FixedDisplayModes		Removed
Microsoft.AspNet.WebPages.Administration		Removed
Microsoft-Web-Helpers		Microsoft.AspNet.WebHelpers

4、更新根目录的web.config

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<runtime>   <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">     <!--Two elements removed for Clarity -->     <dependentAssembly>       <assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" />       <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />     </dependentAssembly>     <dependentAssembly>       <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />       <bindingRedirect oldVersion="1.0.0.0-5.0.0.0" newVersion="5.0.0.0" />     </dependentAssembly>     <dependentAssembly>       <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" />       <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.0" />     </dependentAssembly>     <!--WebGrease element removed for Clarity -->   </assemblyBinding

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<appSettings>   <add key="webpages:Version" value="3.0.0.0" />   <add key="webpages:Enabled" value="false" />   <add key="PreserveLoginUrl" value="true" />   <add key="ClientValidationEnabled" value="true" />   <add key="UnobtrusiveJavaScriptEnabled" value="true" /> </appSettings>

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<securityPolicy>    <!--<trustLevel name="Medium"  policyFile="web_mediumtrust.config"/>--> </securityPolicy>

5、修改View文件夹下的web.config

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<system.web.webPages.razor>   <host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />   <pages pageBaseType="System.Web.Mvc.WebViewPage">     <namespaces>       <add namespace="System.Web.Mvc" />       <!--Elements removed for Clarity.-->     </namespaces>   </pages> </system.web.webPages.razor>

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-->   <pages       validateRequest="false"       pageParserFilterType="System.Web.Mvc.ViewTypeParserFilter, System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"       pageBaseType="System.Web.Mvc.ViewPage, System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"       userControlBaseType="System.Web.Mvc.ViewUserControl, System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">     <controls>       <add assembly="System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" namespace="System.Web.Mvc" tagPrefix="mvc" />     </controls>   </pages> </system.web>

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<configuration>   <configSections>     <sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">       <section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />       <section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />     </sectionGroup>   </configSections>

6、右键解决方案，选择卸载项目

7、右键项目，编辑 [ProjectName].csproj

8、找到 ProjectTypeGuids 节，删除Guid {E3E379DF-F4C6-4180-9B81-6769533ABE47}，保存

9、右键项目，重新加载项目