Represents a base class for validation system attributes.
public abstract class RuleBaseAttribute : Attribute, _Attribute, IRuleBaseAttribute, IRuleCollectionPropertyProperties, IRuleBaseProperties
In the eXpressApp Framework, to define a particular validation rule for a business class or its property, you can use built-in validation attributes. The RuleBaseAttribute represents a base class for all validation attributes. It provides properties that can be used in any descendent attribute. For details, refer to the class' member list.