LookUpEditBase.CascadingOwner Property

Gets or sets the lookup editor whose value determines the filter criteria applied to the popup data source of the current lookup editor.

Namespace: DevExpress.XtraEditors

Assembly: DevExpress.XtraEditors.v24.2.dll

Declaration

C#

[DefaultValue(null)]
public LookUpEditBase CascadingOwner { get; set; }

VB.NET

<DefaultValue(Nothing)>
Public Property CascadingOwner As LookUpEditBase

Property Value

Type	Default	Description
LookUpEditBase	null	The lookup editor whose value determines the filter criteria applied to the popup data source of the current lookup editor.

Remarks

The CascadingOwner property (and optionally, the RepositoryItemLookUpEditBase.CascadingMember property) is used to perform filtering of the current lookup editor’s popup data source based on a value of another lookup editor. Note that these properties are only supported for standalone lookup editors.

See Cascading Lookups to learn more.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the CascadingOwner property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-cascading-lookups/CS/DXApplication1/Main.cs#L21

    lookup.Properties.DisplayMember = displayMember;
    lookup.CascadingOwner = lookupOwner;
}

winforms-cascading-standalone-lookups/CS/Lookup-Cascading/Form1.cs#L43

lookUpEdit2.Properties.DisplayMember = "ProductName";
lookUpEdit2.CascadingOwner = lookUpEdit1;
// The following line is not required, as lookUpEdit2 automatically identifies a foreign key ("CategoryID") in its data source

VB.NET

winforms-cascading-lookups/VB/DXApplication1/Main.vb#L20

    lookup.Properties.DisplayMember = displayMember
    lookup.CascadingOwner = lookupOwner
End Sub

winforms-cascading-standalone-lookups/VB/Lookup-Cascading/Form1.vb#L45

lookUpEdit2.Properties.DisplayMember = "ProductName"
lookUpEdit2.CascadingOwner = lookUpEdit1
' The following line is not required, as lookUpEdit2 automatically identifies a foreign key ("CategoryID") in its data source