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

RuleUniqueValueAttribute(DefaultContexts) Constructor

Initializes a new instance of the RuleUniqueValueAttribute class.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v20.2.dll


public RuleUniqueValueAttribute(
    DefaultContexts targetContexts
Public Sub New(
    targetContexts As DefaultContexts


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.


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

See Also