FormatConditionRuleExpression.Expression Property

Gets or sets a Boolean expression. When the expression evaluates to true, a format is applied to cells.

Namespace: DevExpress.XtraEditors

Assembly: DevExpress.XtraEditors.v20.1.dll


public string Expression { get; set; }
Public Property Expression As String

Property Value

Type Default Description


A string that specifies the Boolean expression.


Use the Expression property to specify a Boolean expression. If a cell value (or row values) meets the expression, the format is applied to a target cell(s).

See the Expression Editor Customization and Criteria Language Syntax documents to learn more about the syntax of expressions.

To make it easy to create expressions, the Expression Editor can be used.


  • Some functions used in expression-based Excel Style Format Rules and expression-based unbound columns can only be exported to XLS(X) format in data-aware export mode. Refer to the Criteria Language Syntax document for details on which functions can be exported to XLS(X) format.
See Also