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RuleBaseAttribute Class
Represents a base class for validation system attributes.
Namespace: DevExpress.Persistent.Validation
Assembly: DevExpress.Persistent.Base.v18.2.dll
Declaration
public abstract class RuleBaseAttribute :
Attribute,
_Attribute,
IRuleBaseAttribute,
IRuleCollectionPropertyProperties,
IRuleBasePropertiesPublic MustInherit Class RuleBaseAttribute
Inherits Attribute
Implements _Attribute,
IRuleBaseAttribute,
IRuleCollectionPropertyProperties,
IRuleBasePropertiesIn 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.
Note
Alternatively, you can define validation rules in the Application Model. See the Validation Rules topic, for details.