TinThanhHREmployee http://www.codaffection.com/asp-net-core-tutorial/asp-net-core-mvc-crud-with-ef-core/ https://github.com/CodAffection/Asp.Net-Core-MVC-CRUD-with-EF-Core https://www.c-sharpcorner.com/article/code-first-approach-in-asp-net-core-mvc-with-ef-core-migration/