TreeListSettingsSearchPanel.ColumnNames Property

Specifies the columns to which the search panel filter should be applied.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v23.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

[DefaultValue("*")]
public string ColumnNames { get; set; }

VB.NET

<DefaultValue("*")>
Public Property ColumnNames As String

Property Value

Type	Default	Description
String	"*"	A string value listing grid column identifiers that can be either: column name, field name, or caption.

Property Paths

You can access this nested property as listed below:

Object Type	Path to ColumnNames
ASPxTreeList	.SettingsSearchPanel .ColumnNames

Remarks

Use the ColumnNames property to specify columns to which a search panel filter should be applied. The specified strings can be either: a column name (WebColumnBase.Name), field name (GridViewDataColumn.FieldName), or caption(WebColumnBase.Caption).

You can exclude a particular column from the filter by setting the column’s TreeListDataColumn.AllowFilterBySearchPanel property to false.

For more information, see Tree List Filtering - Search Panel.

Note

Online Demos Refer to the Tree List - Search Panel (Web Forms) online demo to review how to filter Tree List data nodes using the Search Panel.