MvcScaffolding NuGet安裝：「具有相同密鑰的項目已被添加」

Question

通過NuGet安裝MvcScaffolding時出現錯誤。有沒有人有任何建議如何解決這個問題？

PM> install-Package MvcScaffolding -Verbose 
Dependency 'T4Scaffolding (≥ 1.0.0)' already installed. 
Dependency 'EntityFramework (≥ 4.1.10311.0)' already installed. 
Added file 'InstallationDummyFile.txt' to folder 'MvcScaffolding.1.0.0\content'. 
Added file 'Action.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\Action'. 
Added file 'Action.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\Action'. 
Added file 'ActionPost.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\Action'. 
Added file 'ActionPost.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\Action'. 
Added file 'MvcScaffolding.Action.ps1' to folder 'MvcScaffolding.1.0.0\tools\Action'. 
Added file 'ViewModel.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\Action'. 
Added file 'ViewModel.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\Action'. 
Added file 'MvcScaffolding.ActionUnitTest.ps1' to folder 'MvcScaffolding.1.0.0\tools\ActionUnitTest'. 
Added file 'TestClass.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\ActionUnitTest'. 
Added file 'TestClass.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\ActionUnitTest'. 
Added file 'TestMethod.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\ActionUnitTest'. 
Added file 'TestMethod.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\ActionUnitTest'. 
Added file 'MvcScaffolding.ActionWithUnitTest.ps1' to folder 'MvcScaffolding.1.0.0\tools\ActionWithUnitTest'. 
Added file 'Create.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Create.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'CreateOrEdit.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'CreateOrEdit.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Delete.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Delete.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Details.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Details.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Edit.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Edit.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Empty.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Empty.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Index.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'Index.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'MvcScaffolding.AspxView.ps1' to folder 'MvcScaffolding.1.0.0\tools\AspxView'. 
Added file 'ControllerWithContext.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\Controller'. 
Added file 'ControllerWithContext.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\Controller'. 
Added file 'ControllerWithRepository.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\Controller'. 
Added file 'ControllerWithRepository.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\Controller'. 
Added file 'MvcScaffolding.Controller.ps1' to folder 'MvcScaffolding.1.0.0\tools\Controller'. 
Added file 'MvcScaffolding.ControllerWithRepository.ps1' to folder 'MvcScaffolding.1.0.0\tools\Controller'. 
Added file 'init.ps1' to folder 'MvcScaffolding.1.0.0\tools'. 
Added file 'install.ps1' to folder 'MvcScaffolding.1.0.0\tools'. 
Added file 'Create.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Create.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Delete.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Delete.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Details.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Details.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Edit.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Edit.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Empty.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Empty.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Index.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'Index.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'MvcScaffolding.RazorView.ps1' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file '_CreateOrEdit.cs.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file '_CreateOrEdit.vb.t4' to folder 'MvcScaffolding.1.0.0\tools\RazorView'. 
Added file 'registerWithMvcTooling.ps1' to folder 'MvcScaffolding.1.0.0\tools'. 
Added file 'MvcScaffolding.Views.ps1' to folder 'MvcScaffolding.1.0.0\tools\Views'. 
Added file 'MvcScaffolding.1.0.0.nupkg' to folder 'MvcScaffolding.1.0.0'. 
Successfully installed 'MvcScaffolding 1.0.0'. 
Executing script file 'C:\MyProject\packages\MvcScaffolding.1.0.0\tools\init.ps1'. 
Added file 'InstallationDummyFile.txt'. 
Added file 'InstallationDummyFile.txt' to project 'ReinsuranceManagementWebUI' 
Added file 'packages.config'. 
Added file 'packages.config' to project 'ReinsuranceManagementWebUI' 
Successfully added 'MvcScaffolding 1.0.0' to ReinsuranceManagementWebUI. 
Executing script file 'C:\MyProject\packages\MvcScaffolding.1.0.0\tools\install.ps1'. 
Get-ProjectItem : An item with the same key has already been added. 
At C:\MyProject\packages\MvcScaffolding.1.0.0\tools\install.ps1:22 char:16 
+ Get-ProjectItem <<<< "InstallationDummyFile.txt" -Project $projectName | %{ $_.Delete() } 
    + CategoryInfo   : NotSpecified: (:) [Get-ProjectItem], ArgumentException 
    + FullyQualifiedErrorId : T4Scaffolding.Cmdlets.GetProjectItemCmdlet 

Set-DefaultScaffolder : An item with the same key has already been added. 
At C:\MyProject\packages\MvcScaffolding.1.0.0\tools\install.ps1:24 char:22 
+ Set-DefaultScaffolder <<<< -Name Controller -Scaffolder MvcScaffolding.Controller -SolutionWide -DoNotOverwriteExistingSetting 
    + CategoryInfo   : NotSpecified: (:) [Set-DefaultScaffolder], ArgumentException 
    + FullyQualifiedErrorId : T4Scaffolding.Cmdlets.SetDefaultScaffolderCmdlet 

Set-DefaultScaffolder : An item with the same key has already been added. 
At C:\MyProject\packages\MvcScaffolding.1.0.0\tools\install.ps1:25 char:22 
+ Set-DefaultScaffolder <<<< -Name Views -Scaffolder MvcScaffolding.Views -SolutionWide -DoNotOverwriteExistingSetting 
    + CategoryInfo   : NotSpecified: (:) [Set-DefaultScaffolder], ArgumentException 
    + FullyQualifiedErrorId : T4Scaffolding.Cmdlets.SetDefaultScaffolderCmdlet 

Set-DefaultScaffolder : An item with the same key has already been added. 
At C:\MyProject\packages\MvcScaffolding.1.0.0\tools\install.ps1:26 char:22 
+ Set-DefaultScaffolder <<<< -Name Action -Scaffolder MvcScaffolding.Action -SolutionWide -DoNotOverwriteExistingSetting 
    + CategoryInfo   : NotSpecified: (:) [Set-DefaultScaffolder], ArgumentException 
    + FullyQualifiedErrorId : T4Scaffolding.Cmdlets.SetDefaultScaffolderCmdlet 

Set-DefaultScaffolder : An item with the same key has already been added. 
At C:\MyProject\packages\MvcScaffolding.1.0.0\tools\install.ps1:27 char:22 
+ Set-DefaultScaffolder <<<< -Name UnitTest -Scaffolder MvcScaffolding.ActionUnitTest -SolutionWide -DoNotOverwriteExistingSetting 
    + CategoryInfo   : NotSpecified: (:) [Set-DefaultScaffolder], ArgumentException 
    + FullyQualifiedErrorId : T4Scaffolding.Cmdlets.SetDefaultScaffolderCmdlet 

Set-DefaultScaffolder : An item with the same key has already been added. 
At C:\MyProject\packages\MvcScaffolding.1.0.0\tools\install.ps1:31 char:22 
+ Set-DefaultScaffolder <<<< -Name View -Scaffolder $viewScaffolder -SolutionWide -DoNotOverwriteExistingSetting 
    + CategoryInfo   : NotSpecified: (:) [Set-DefaultScaffolder], ArgumentException 
    + FullyQualifiedErrorId : T4Scaffolding.Cmdlets.SetDefaultScaffolderCmdlet 

我試圖用這個命令卸載重新安裝：

Uninstall-Package MvcScaffolding -RemoveDependencies 

Answer 1

正如在原來問題的評論中提到的，我相信這是MVC腳手架的錯誤，請參閱：http://mvcscaffolding.codeplex.com/workitem/27

Answer 2

我有這個錯誤問題，以及。對我而言，解決方案是卸載MvcScaffolding及其每個依賴項，並使用單獨的命令爲每個卸載執行「Uninstall-Package T4Scaffolding」。我也從我的驅動器和源代碼控制中刪除了它們的關聯文件和文件夾。然後，我重新安裝，一切都很好。刪除文件似乎是關鍵。