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UniqueDuplicateRuleFormatCondition Class

A Unique-Duplicate conditional format.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v24.1.Core.dll

NuGet Package: DevExpress.Wpf.Grid.Core


public class UniqueDuplicateRuleFormatCondition :


The Unique-Duplicate conditional format allows you to format cells whose values are unique or duplicate.

The image below shows a grid column whose City cells are green if their values are unique.


To create the Unique-Duplicate conditional format in code, create the UniqueDuplicateRuleFormatCondition class instance and specify the following settings:

The following code sample illustrates how to define a conditional format in markup:

   <dxg:UniqueDuplicateRuleFormatCondition Rule="Unique" FieldName="City" PredefinedFormatName="GreenFillWithDarkGreenText" />

The code sample below illustrates how to define the same conditional format in code-behind:

var cityFormatCondition = new UniqueDuplicateRuleFormatCondition() {
   ValueRule = UniqueDuplicateRuleFormatCondition.Unique,
   FieldName = "City",
   PredefinedFormatName = "GreenFillWithDarkGreenText"
See Also