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.NET 6.0+

RuleObjectExistsAttribute(DefaultContexts, String) Constructor

Initializes a new instance of the RuleObjectExistsAttribute class.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v24.1.dll


public RuleObjectExistsAttribute(
    DefaultContexts targetContexts,
    string criteria


Name Type Description
targetContexts DefaultContexts

A DefaultContexts enumeration value that specifies a context for checking the current rule. This value is set for the RuleBaseAttribute.TargetContextIDs property.

criteria String

A string value representing the criteria that must be satisfied by the target type objects.


Use this constructor if assigning a specific IRule.Id property value is not necessary.

See Also