May 2012
Intermediate to advanced
544 pages
17h 23m
English
Content preview from ASP.NET Dynamic Data UnleashedBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 8. Implementing Entity Validation
In This Chapter
• Customizing Entity Framework Code Generation
• Validating Entity State Changes
Validation of entities is one of the key aspects of business logic. The .NET Framework introduced a new validation framework in Service Pack 1 of version 3.5, at the same time the first version of Dynamic Data was released. This framework is implemented in the System.ComponentModel.DataAnnotations namespace and contains a set of attributes and classes for validating objects and their properties.
The Data Annotations namespace is defined in a separate assembly called System.ComponentModel.DataAnnotations ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.