安装'Microsoft.AspNet.Http.Extensions 1.0.0-beta3'时,我收到了这个。我正在尝试将它用于iappbuilder参考,因此我可以使用我的应用程序创建一个应用程序。任何想法可能导致这种情况?错误安装NuGet软件包'Microsoft.AspNet.Http.Extensions 1.0.0-beta3'
Install failed. Rolling back...
Install-Package : Could not install package 'Microsoft.AspNet.Http.Extensions 1.0.0-beta3'. You are trying to install this package into a project that targets '.NETFramework,Version=v4.5', but the package does not contain any
assembly references or content files that are compatible with that framework. For more information, contact the package author.
At line:1 char:1
+ Install-Package Microsoft.AspNet.Http.Extensions -Pre
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Install-Package], InvalidOperationException
+ FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand
'你正在尝试这个软件包安装到靶向” .NETFramework,版本= V4.5' 项目,但包不包含任何 集引用或与该framework.' – Jasen 2015-03-13 17:32:36