RuleSet.IsEmptyValue Method

Name	Parameters	Description
IsEmptyValue(Object, String, Object, IServiceProvider) static	targetObject, propertyName, propertyValue, serviceProvider	Determines whether or not the validation rule’s target property value is considered empty.
IsEmptyValue(Object, String, Object) static	targetObject, propertyName, propertyValue	Determines whether or not the validation rule’s target property value is considered empty.