everlight.eap/backend/DllEapFileUpload/DllEapFileUpload.csproj

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

  <PropertyGroup>
    <TargetFramework>netstandard2.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <ProjectReference Include="..\DllEapDal\DllEapDal.csproj" />
    <ProjectReference Include="..\DllEapEntity\DllEapEntity.csproj" />
  </ItemGroup>

  <ItemGroup>
    <Reference Include="Cksoft.Data">
      <HintPath>..\Dll\Cksoft.Data.dll</HintPath>
    </Reference>
    <Reference Include="CkSoft.Data.Repository">
      <HintPath>..\Dll\CkSoft.Data.Repository.dll</HintPath>
    </Reference>
    <Reference Include="Cksoft.Unity">
      <HintPath>..\Dll\Cksoft.Unity.dll</HintPath>
    </Reference>
  </ItemGroup>

</Project>