Entity Framework Core's value conversions feature provides a clean way to persist C# enums to a database as either strings or integers. Using the HasConversion method in OnModelCreating, you can define two-way conversion expressions: one to serialize the enum for storage and one to deserialize it back. The post demonstrates saving a DeliveryPreference enum as a VARCHAR string and an AddressType enum as an INT, including the SQL table definition and the EF Core fluent configuration code.
