Validation with ASP.NET MVC Linq To SQL: How do I avoid editing a generated source?

Question

I am reading several verification documents at ASP.NET MVC. Ignoring those that suggest inventing a wheel that spells its own validation logic, most articles advocate the use xValor Validation Validator Validator, which allows declarative validation by decorating model properties (*).

I think I will go for xValit as it seems most recommended (and thus, I hope, is supported). What puzzles me is what I use Linq to SQL, and my models are declared in an automatically generated ( dbml+ partial.cs) file containing several classes and almost 5000 lines, so I don’t really want to edit it, as if I changed the db structure, I would have to regenerate it, losing my changes.

Is there any way to avoid editing this file?

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(*) I also found the Validator Toolkit , which also provides declarative validation and does not request decoration of model properties, but the page shows 57 downloads, so I can’t say if the project is mature or not.

Answer 1

You can create a partial class and add data annotation validators to the partial class, so it doesn't matter if your dbml file is restored.

Try the asp.net article and this article

Answer 2

Check out buddy classes is really the only way to fly with generated models and validation based on DataAnnotation.

Answer 3

, (xVal). .