RIA Services Validation: ViewModel Validation with Entity Rules
0 comments
/
posted by
Silverlight Show
on
Sep 07, 2011 (5 days ago)
Read the original post at Jeff Handley's Blog For those of you familiar with the ViewModel (or MVVM) pattern, you are likely also familiar with a typical pain point regarding validation: you often need to duplicate your entity validation metadata onto your ViewModel classes. This can lead to burdensome dual maintenance of your validation rules, and it can seem very frustrating that with the serve ...