本文介绍了确保 HttpConfiguration.EnsureInitialized()的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我已经安装了 Visual Studio 2013，当我运行我的应用程序时，我收到以下错误.
I've installed Visual Studio 2013 and when I run my app I get the error below.
我不知道在哪里初始化这个对象.
I've got no idea as to where I'm to initialized this object.
怎么办?
Server Error in '/' Application.
The object has not yet been initialized. Ensure that HttpConfiguration.EnsureInitialized() is called in the application's startup code after all other initialization code.
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.InvalidOperationException: The object has not yet been initialized. Ensure that HttpConfiguration.EnsureInitialized() is called in the application's startup code after all other initialization code.
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.
Stack Trace:
[InvalidOperationException: The object has not yet been initialized. Ensure that HttpConfiguration.EnsureInitialized() is called in the application's startup code after all other initialization code.]
System.Web.Http.Routing.RouteCollectionRoute.get_SubRoutes() +101
System.Web.Http.Routing.RouteCollectionRoute.GetRouteData(String virtualPathRoot, HttpRequestMessage request) +63
System.Web.Http.WebHost.Routing.HttpWebRoute.GetRouteData(HttpContextBase httpContext) +107
System.Web.Routing.RouteCollection.GetRouteData(HttpContextBase httpContext) +233
System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +60
System.Web.Routing.UrlRoutingModule.OnApplicationPostResolveRequestCache(Object sender, EventArgs e) +82
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +136
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.18408
这是用于 AlumCloud
推荐答案
请参阅@下面的gentiane的回答以了解正确方法现在就来处理.
See @gentiane's answer below for the correct way to handle this now.
在 Global.Asax.cs 中的 Application_Start 方法的末尾尝试添加:-
At the end of the Application_Start method in Global.Asax.cs try adding:-
GlobalConfiguration.Configuration.EnsureInitialized();
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