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ColumnViewOptionsFilter.FilterEditorAllowCustomExpressions Property

Gets or sets whether the Filter Editor allows you to display, create and edit custom expressions—expressions that cannot be converted to Filter Editor nodes.

Namespace: DevExpress.XtraGrid.Views.Base

Assembly: DevExpress.XtraGrid.v24.1.dll

NuGet Packages: DevExpress.Win.Grid, DevExpress.Win.Navigation


public DefaultBoolean FilterEditorAllowCustomExpressions { get; set; }

Property Value

Type Default Description
DefaultBoolean Default

A value that specifies whether the Filter Editor allows you to display, create and edit custom expressions.

Available values:

Name Description Return Value

The value is true.



The value is false.



The value is specified by a global option or a higher-level object.


Property Paths

You can access this nested property as listed below:

Object Type Path to FilterEditorAllowCustomExpressions
.OptionsFilter .FilterEditorAllowCustomExpressions


Individual filter expressions (for example, expressions that contain advanced or custom functions) cannot be converted to Filter Editor nodes. Below is an example:

[Sales Date] > AddDays(LocalDateTimeToday(), -25)

The AllowCustomExpressions property specifies whether and how the Filter Editor displays these expressions. The following options are available:


The Filter Editor displays custom expressions, and allows users to edit existing and create new custom expressions.

FilterControl-Custom Expressions

Users can create new custom expressions from a context menu.

FilterControl - Add Custom Expressions menu

Users can click the expression to open the Expression Editor, which allows them to edit the expression.

FilterControl-Custom Expressions-Expression Editor

Handle the ColumnView.FilterExpressionEditorCreated event to customize this Expression Editor.

The Filter Editor displays custom expressions as simple text. A user cannot edit or create custom expressions. FilterControl-Custom Expressions-Default mode
The Filter Editor does not display custom expressions, and does not allow users to create new ones.
See Also