原文：https://github.com/ErikEJ/SqlCeToolbox/wiki/EF6-workflow-with-SQLite-DDEX-provider

1.Install latest Toolbox

Once per Visual Studio edition (daily build at https://github.com/ErikEJ/SqlCeToolbox/wiki/Release-notes )

2.Install SQLite in GAC

Once per machine. Download the latest sqlite-netFx46-setup-bundle-x86-2015-1.0.xxx.0.exe (from https://system.data.sqlite.org/index.html/doc/trunk/www/downloads.wiki)

3.Install Package

Install using Package Manager Console or NuGet Manager in each project.

PM> Install-Package System.Data.SQLite

   Packages.config should look like this after install:

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="EntityFramework" version="6.2.0" targetFramework="net461" />
  <package id="System.Data.SQLite" version="1.0.113.0" targetFramework="net461" />
  <package id="System.Data.SQLite.Core" version="1.0.113.0" targetFramework="net461" />
  <package id="System.Data.SQLite.EF6" version="1.0.113.0" targetFramework="net461" />
  <package id="System.Data.SQLite.Linq" version="1.0.113.0" targetFramework="net461" />
</packages>

4.App.config should look like this:

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
  </configSections>
  <entityFramework>
    <providers>
      <provider invariantName="System.Data.SQLite.EF6" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
    </providers>
  </entityFramework>
  <system.data>
    <DbProviderFactories>
      <remove invariant="System.Data.SQLite.EF6" />
      <add name="SQLite Data Provider (Entity Framework 6)" invariant="System.Data.SQLite.EF6" description=".NET Framework Data Provider for SQLite (Entity Framework 6)" type="System.Data.SQLite.EF6.SQLiteProviderFactory, System.Data.SQLite.EF6" />
    <remove invariant="System.Data.SQLite" />
   </DbProviderFactories>
  </system.data>
</configuration>

5.Run Entity Data Model Wizard