Validation should begin as close to your database as possible: in your Entity Framework entities. Here's how you can integrate validation code into both the entities the Entity Framework generates and ...

Check Point, a company focused on IT security, has uncovered an eBay vulnerability that allows attackers to bypass the online auction and sales site's code validation.

While you can create classes that contain their own validation code, there are scenarios where it makes sense to separate validation code from the properties it validates using DataAnnotations.

This article discusses how to use model validation in minimal APIs. To work with the code examples provided in this article, you should have Visual Studio 2022 installed in your system.