找不到包 Microsoft.AspNetCore.Identity.EntityFramework

Question

当我尝试使用 .Net 核心开发 WebApp 时。这个错误不断出现 严重性代码描述项目文件行抑制状态

错误 NU1101 找不到包 Microsoft.AspNetCore.Identity.EntityFramework。源中不存在具有此 ID 的包：Microsoft Visual Studio Offline Packages, nuget.org

我添加了正确的版本号。 我附上了我的 Csproj 文件 无法解决这个问题。帮帮我

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

  <PropertyGroup>
    <TargetFramework>netcoreapp2.2</TargetFramework>
    <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
  </PropertyGroup>


  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.2.0" />
    <PackageReference Include="Microsoft.AspNetCore.Identity" version="2.2.0  " />
   <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFramework" version="2.2.2" />
    <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.2.4" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="2.2.4" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational.Design" Version="1.1.6" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.4" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.2.4" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.2.4">
      <PrivateAssets>all</PrivateAssets>
      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
    </PackageReference>
  </ItemGroup>


  <ItemGroup>
    <Folder Include="Areas\Admin\Controllers\Views\Category\" />
  </ItemGroup>

</Project>

Answer 1

尝试换行

<PackageReference Include="Microsoft.AspNetCore.Identity.EntityFramework" version="2.2.2" />

到这里：

<PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="2.2.0" />