asp.net-core - 链接标签助手在 asp.net core 2.2 中不起作用

Question

迁移到 asp.net core 2.2 后，我的链接标记助手不再正常工作。

 <a class="btn btn-outline-primary" asp-controller="MyController" asp-action="MyAction" asp-route-id="@Id">Link</a>

当我将兼容版本设置为 2.1 时，这工作正常，但当设置为兼容版本 2.2 时，会生成一个空的 href。

<a class="btn btn-outline-primary" href="">Link</a>

我按照步骤 Migrate from ASP.NET Core 2.1 to 2.2

 .SetCompatibilityVersion(CompatibilityVersion.Version_2_1);  --> Works

 .SetCompatibilityVersion(CompatibilityVersion.Version_2_2);  --> Doesn't work

项目文件:

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

  <PropertyGroup>
    <TargetFramework>netcoreapp2.2</TargetFramework>
    <TypeScriptToolsVersion>2.8</TypeScriptToolsVersion>
    <LangVersion>7.2</LangVersion>
    <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.App" />
    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.2" />
    <PackageReference Include="Microsoft.Windows.Compatibility" Version="2.0.1" />
    <PackageReference Include="Sendgrid" Version="9.10.0" />
    <PackageReference Include="Stripe.net" Version="22.8.1" />
    <PackageReference Include="UAParser" Version="3.1.36" />
  </ItemGroup>

  <ItemGroup>
    <Folder Include="Data\Migrations\" />
  </ItemGroup>

</Project>

Answer 1

我对这项技术很陌生，我遇到了同样的问题。在我添加之后

@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
@addTagHelper *, MyNameSpace

在 ViewImports.cshtml 中，如此处所述 https://learn.microsoft.com/en-us/aspnet/core/mvc/views/tag-helpers/authoring?view=aspnetcore-2.2一切都很好。