关于.net：更新到ASP.NET Core 2.0 – 软件包与netcoreapp2.0不兼容

Updating to ASP.NET Core 2.0 - Packages are not compatible with netcoreapp2.0

我正在尝试更新到net core 2.0，但在安装了引用的所有包上都会出现这些错误。

问题可能是：

我正在获取输出中对netcoreapp1.0的引用

之后，我会收到所有组件的消息：

The Microsoft.AspNetCore.ANYPACKAGE 2.0.0 package is not compatible with netcoreapp2.0 (.NETCoreApp, Version = v2.0). The Microsoft.AspNetCore.WebSockets 2.0.0 package supports: netstandard2.0 (.NETStandard, Version = v2.0)

这是手册：

https://docs.microsoft.com/en-us/aspnet/core/migration/1X-to-2X/

SDK更新为2.0

enter image description here

这是我的CSPROJ

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<Project Sdk="Microsoft.NET.Sdk.Web">

<PropertyGroup>
<TargetFramework>netcoreapp2.0</TargetFramework>
</PropertyGroup>

<PropertyGroup>
<AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
</PropertyGroup>

<ItemGroup>
<Compile Remove="wwwroot\lib\kendo-ui-core\**" />
<Content Remove="wwwroot\lib\kendo-ui-core\**" />
<EmbeddedResource Remove="wwwroot\lib\kendo-ui-core\**" />
<None Remove="wwwroot\lib\kendo-ui-core\**" />
</ItemGroup>

<ItemGroup>
<Content Include="wwwroot\css\bootstrap-lumen.css" />
<Content Include="wwwroot\css\bootstrap-sand.css" />
<Content Include="wwwroot\css\bootstrap-sand.min.css" />
<Content Include="wwwroot\js\application-role-index.js" />
<Content Include="wwwroot\js\family-index.js" />
<Content Include="wwwroot\js\jquery-3.2.1.min.js" />
<Content Include="wwwroot\js\modal-action-store.js" />
<Content Include="wwwroot\js\populate-district.js" />
<Content Include="wwwroot\js\store-index.js" />
<Content Include="wwwroot\js\type-index.js" />
<Content Include="wwwroot\js\user-index.js" />
<Content Include="wwwroot\js\jquery.filtertable.min.js" />
<Content Include="wwwroot\js\machine-index.js" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Bootstrap.v3.Datetimepicker" Version="4.17.45" />
<PackageReference Include="Bootstrap.v3.Datetimepicker.CSS" Version="4.17.45" />
<PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
<PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.0.0" />
<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="2.0.0" />
<PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.0.0" />
<PackageReference Include="Microsoft.VisualStudio.Web.CodeGenerators.Mvc" Version="2.0.0" />
<PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
<PackageReference Include="NuGet.CommandLine" Version="4.1.0" />
</ItemGroup>
<ItemGroup>
<DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.0.0" />
<DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="2.0.0" />
</ItemGroup>

</Project>

事先谢谢你的帮助。

编辑：更多信息

在编译解决方案之后，我收到了这个消息

1> CSC: error CS1703: Multiple assemblies with equivalent identity have been imported: 'C: \ Users \ user \ .nuget \ packages \ microsoft.netcore.app \ 2.0.0 \ ref \ netcoreapp2.0 \ System.ComponentModel.dll 'And' C: \ Users \ User \ .nuget \ packages \ system.componentmodel \ 4.3.0 \ ref \ netstandard1.0 \ System.ComponentModel.dll '. Remove one of the duplicate references.