AspNetZero-.NET Core 2.0 MVC版本-添加新控制器时出错 [英] AspNetZero - .NET Core 2.0 MVC Version - Error on adding new controller

问题描述

大约6个月后，我恢复了基于.NET Core 2.0的AspNetZero解决方案的工作. 我有原始下载版本和修改版本作为单独的GIT存储库.在两个版本/存储库中，当我尝试添加新的MVC控制器时，都会不断收到以下错误消息.

After about 6 months, I returned to work on my AspNetZero solution based on .NET Core 2.0. I have the original downloaded version and the modified version as separate GIT repositories. In both versions/repositories when I try to add a new MVC controller, I keep getting the below error message.

在我的PC上，我安装了从1.0一直到2.1.302的所有.NET Core SDK.我正在处理其他项目，正在使用.NET Core 2.1.

On my PC I have all of the .NET Core SDKs installed from 1.0 right up to 2.1.302. I have other projects that I am working on, where I'm using .NET Core 2.1.

我什至在VS2017中创建了一个全新的.NET Core 2.0项目，并且能够搭建一个新的MVC控制器而没有任何错误.此问题仅在AspNetZero解决方案上发生.

I even created a brand new .NET Core 2.0 project in VS2017 and I am able to scaffold a new MVC controller without any errors. This issue is only happening on the AspNetZero solution.

我已经进行了很多搜索以寻找解决方案，但是我在网上找到的答案都没有起作用.我只是将一个global.json文件添加到了我的解决方案文件夹中，并将SDK设置为2.0.0，然后再次尝试，仍然无法正常工作.我不断收到相同的错误！

I have done many searches for a solution and none of the answers I found online have worked. I just added a global.json file into my solution folder and set the SDK to 2.0.0 and tried again, still does not work. I keep getting the same error!

推荐答案

1. 根据您的情况，您的NuGet软件包可能无效 目标框架.检查所有您最近的.NET Core NuGet程序包 版本.
2. 清除您的NuGet缓存，如图所示

1. Your NuGet packages may have been invalid according to your target framework. Check all your recent NuGet packages for .NET Core versions.
2. Clear your NuGet cache as shown in the picture

更新:删除所有bin& obj文件夹.

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