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:

  
    
      
        
        
      
    
  


调整oldVersion和newVersion,改成:

  
    
      
        
        
      
    
  


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。