RuleCriteriaAttribute(String, DefaultContexts, String) Constructor

Initializes a new instance of the RuleCriteriaAttribute class.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v18.2.dll

Declaration

public RuleCriteriaAttribute(
    string id,
    DefaultContexts targetContexts,
    string criteria
)
Public Sub New(
    id As String,
    targetContexts As DefaultContexts,
    criteria As String
)

Parameters

Type Name Description
String id

A string value representing the current rule identifier. You can pass an empty value as the id parameter. An appropriate identifier will be generated automatically, and set for the ID property of the Validation | Rules | Rule node in the Application Model.

DefaultContexts targetContexts

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

String criteria

A string value representing a criteria that must be satisfied by target class' objects. To learn how to set a criteria, refer to the Ways to Build Criteria topic.

Remarks

If you are going to set a custom message template instead of a default one, use a constructor with the messageTemplate parameter.

See Also