找不到方法：'System.Web.Http.Controllers.ServicesContainer

Question

我试图在VS2012中使用Web API注册路由。在GlobalConfiguration.Configuration.Routes，它抛出以下错误。有人可以帮我这个吗？

---

Server Error in '/' Application.
Method not found: 'System.Web.Http.Controllers.ServicesContainer  
System.Web.Http.HttpConfiguration.get_Services()'.
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.MissingMethodException: Method not found: 'System.Web.Http.Controllers.ServicesContainer System.Web.Http.HttpConfiguration.get_Services()'.

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.

Answer 1

听起来你需要System.Web.Http.Common.dll程序集。