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一直以来,开发MVC3应用,在部署的时候为了方便,并不在用户环境安装MVC3,只是把用到的几个assembly直接部署到bin里,包括:
Microsoft.Web.Infrastructure.dll
System.Web.Helpers.dll
System.Web.MVC.dll
System.Web.WebPages.Deployment.dll
System.Web.WebPages.dll
System.Web.WebPages.Razor.dll
最近系统升级,再这么部署网站时,发现不好用了,报错:
Compiler Error Message: CS1705: Assembly 'TestUnsafe, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' uses 'System.Web.Mvc, Version=3.0.0.1, Culture=neutral, PublicKeyToken=31bf3856ad364e35' which has a higher version than referenced assembly 'System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' |
发现没?System.Web.MVC的版本要求是3.0.0.1,而bin里放的仍然是3.0.0.0,肯定跑不起来。OK,换个新的程序集上去,把System.Web.MVC.dll 3.0.0.1版放上去,仍然跑不起来,报错:
Parser Error Message: Could not load file or assembly 'System.Web.Mvc, Version=3.0.0.0, 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) |
这是由于Web.config未更新导致的,找到下面的几行:
<runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <dependentAssembly> <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" /> <bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="3.0.0.0" /> </dependentAssembly> </assemblyBinding> </runtime>
调整oldVersion和newVersion,改成:
<runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <dependentAssembly> <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" /> <bindingRedirect oldVersion="1.0.0.0-3.0.0.0" newVersion="3.0.0.1" /> </dependentAssembly> </assemblyBinding> </runtime>
看到没?把旧版本的MVC统一映射到3.0.0.1版去。再访问站点,一切正常了。
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