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.NET Framework 4.5.2+

RuleCriteriaAttribute(String, DefaultContexts, String) Constructor

Initializes a new instance of the RuleCriteriaAttribute class.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v22.2.dll

Declaration

public RuleCriteriaAttribute(
    string id,
    DefaultContexts targetContexts,
    string criteria
)

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 be generated 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.

criteria String

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.

The following code snippets (auto-collected from DevExpress Examples) contain references to the RuleCriteriaAttribute(String, DefaultContexts, String) constructor.

Note

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See Also