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. In a ...

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 ...

2. Product and Material Coding (Inventory/ERP System): When adding new items to the product library or material list, it is essential to validate the uniqueness of product codes, SKUs, or barcodes.

Users receiving new, working validation codes As previously noted, several receivers of QuarkXPress 6.0 have never been able to launch the product, instead experiencing unexpected quits on launch. The ...