UniqueDuplicateRuleFormatCondition.SelectiveExpression Property

Gets or sets an expression that selects data records to which the Unique/Duplicate conditional format is applied.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v24.2.Core.dll

NuGet Package: DevExpress.Wpf.Grid.Core

Declaration

C#

public string SelectiveExpression { get; set; }

VB.NET

Public Property SelectiveExpression As String

Property Value

Type	Description
String	A String that specifies an expression that selects data records to which the Unique/Duplicate conditional format is applied.

Remarks

Use the SelectiveExpression property to define an expression that selects data records to which the Unique/Duplicate conditional format is applied.

To exclude some cells (e.g., the empty ones) from UniqueDuplicateRuleFormatCondition’s rules, use this property as follows:

XAML

<dxg:UniqueDuplicateRuleFormatCondition FieldName="LastName" SelectiveExpression="IsNullOrEmpty([LastName]) = false"/>