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RuleUniqueValueAttribute(String, DefaultContexts) Constructor

Initializes a new instance of the RuleUniqueValueAttribute class.

Namespace: DevExpress.Persistent.Validation

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

Declaration

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

Parameters

Name Type Description
id String

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

targetContexts DefaultContexts

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

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