无法找到包 NETStandard.Library [英] Unable to find package NETStandard.Library
问题描述
我尝试在 Visual Studio 2019 中添加一个新的类库(.Net Standard).但我得到 此错误消息:
I tried to add a new Class library(.Net Standard) in Visual studio 2019. But I get this error message:
无法找到包 NETStandard.Library.不存在包源代码中的此 ID:Microsoft Visual Studio 离线包.
Unable to find package NETStandard.Library. No packages exist with this id in source(s): Microsoft Visual Studio Offline Packages.
我还没有向这个文件添加任何代码.当我转到 NugetManager 时,我可以看到 此消息:
I haven't added any code to this file yet. When I go to NugetManager I can see this message:
NetStandard.Library 在此来源不可用
NetStandard.Library not available at this source
有人可以帮我解决这个问题吗?
Can anyone please help me with this issue?
推荐答案
您在 Visual Studio 中的包源位于 Microsoft Visual Studio 脱机包中.您应该转到包管理器设置(工具 > Nuget 包管理器 > 包管理器设置).
在包源部分输入
名称:nuget.org
来源:https://api.nuget.org/v3/index.json
将此包源添加到您的 Visual Studio,然后单击确定".
Your package source in visual studio is on the Microsoft Visual Studio Offline Packages. You should Go to Package Manager Settings (Tools > Nuget Package Manager > Package Manager Settings).
On the package sources section enter
Name : nuget.org
source :https://api.nuget.org/v3/index.json
add this package source to your visual studio and click ok.
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