使用NuGet添加包时会出错

本文介绍了使用NuGet添加包时会出错的处理方法，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

安装以下套餐时

when Installing Following Package

+ Install-Package Google.Apis.Gmail.v1

它给出错误

It gives Error

Install-Package : 'Google.Apis.Gmail.v1' already has a dependency defined for 'NETStandard.Library'. At line:1 char:1 + Install-Package Google.Apis.Gmail.v1 + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Install-Package], InvalidOperationException + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand PM>

我的尝试：

What I have tried:

Type 'get-help NuGet' to see all available NuGet commands. PM> Install-Package Google.Apis.Gmail.v1

推荐答案

更新您的所有安装包和依赖项 Update Your all install package and dependencies + upgrade-package + Install-Package Google.Apis.Gmail.v1