.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+
.NET Core 3.0+

RuleObjectExistsAttribute(DefaultContexts, String) Constructor

Initializes a new instance of the RuleObjectExistsAttribute class.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v20.1.dll

Declaration

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

Parameters

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.

Remarks

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

See Also