Custom ValidationAttribute test against whole model

Question

I know this is probably not possible but let\'s say I have a model with two properties.

I write a ValidationAttribute for one of the properties. Can that VA look at

Answer 1

Your custom validation could be applied to the class directly, take a look at PropertiesMustMatch attribute in the AccountModels class that is created by default as a part of the MVC project template in VS2008.