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ColumnView.ShowUnboundExpressionEditor(GridColumn) Method

Invokes an Expression Editor that enables editing an expression for the specified unbound column.

Namespace: DevExpress.XtraGrid.Views.Base

Assembly: DevExpress.XtraGrid.v22.2.dll

NuGet Package: DevExpress.Win.Grid


public virtual void ShowUnboundExpressionEditor(
    GridColumn column


Name Type Description
column GridColumn

A GridColumn that represents an unbound column whose expression will be edited in the Expression Editor.


Data for unbound columns can be provided by specifying an expression via the GridColumn.UnboundExpression property. At runtime, an end-user can edit expressions for unbound columns via an Expression Editor - specially designed modal form. This editor can be opened:

The ColumnView.UnboundExpressionEditorCreated event fires in response to creating the Expression Editor. You can handle this event to prevent the editor from being displayed in specific instances, change the editor form’s settings, etc.

For more information on unbound columns, see Unbound Columns.

See Also