尝试使用.netstandard 2程序集时Web Api 2运行时错误 [英] Web Api 2 run-time error when trying to use .netstandard 2 assembly

问题描述

我有一个引用.net 4.6.1的Asp.net WebApi 2站点。到目前为止，该站点一直在引用PCL程序集（便携式类库），以与UWP& amp; Xamarin，没有问题。现在，我尝试按照建议将PCL更改为NetStandard2.0程序集，但在站点启动时收到错误。

I have an Asp.net WebApi 2 site referencing .net 4.6.1. Up till now the site was referencing a PCL assembly (portable class library), for compatibility with UWP & Xamarin, without issues. Now I am trying to change that PCL to a NetStandard2.0 assembly, as recommended, but am receiving an error at site start up.

错误在-

The error is below -

找不到方法：
'System.Collections.ObjectModel.Collection`1
System.Web.Http.HttpConfiguration。 get_MessageHandlers（）'。

Method not found: 'System.Collections.ObjectModel.Collection`1 System.Web.Http.HttpConfiguration.get_MessageHandlers()'.

有什么想法吗？
谢谢

Any ideas? Thanks

推荐答案

我也得到了同样的东西。我将此添加到我的web.config中，并且可以正常工作。

< dependentAssembly>
< assemblyIdentity name = System.Net.Http publicKeyToken = b03f5f7f11d50a3a culture = neutral />
< bindingRedirect oldVersion = 0.0.0.0-4.2.0.0 newVersion = 4.2.0.0 />
< / dependentAssembly>


I was getting the same thing. I added this to my web.config and it worked. <dependentAssembly> <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0" /> </dependentAssembly>

哦，绑定重定向的乐趣。

Oh the joys of Binding Redirects.

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