TreeListDataColumn.AllowHeaderFilter Property

Specifies whether filtering using the header filter is allowed.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v21.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

[DefaultValue(DefaultBoolean.Default)]
public DefaultBoolean AllowHeaderFilter { get; set; }

VB.NET

<DefaultValue(DefaultBoolean.Default)>
Public Property AllowHeaderFilter As DefaultBoolean

Property Value

Type	Default	Description
DefaultBoolean	Default	One of the DefaultBoolean value.

Available values:

Name	Description
True	true. DefaultBoolean.True has a constant value of 0, while the standard true value corresponds to a value of 1. In Visual Basic, do not use implicit conversion of Boolean values to DefaultBoolean, and vice versa, as the conversion may produce incorrect results.
False	false. DefaultBoolean.False has a constant value of 1, while the standard false value corresponds to a value of 0. In Visual Basic, do not use implicit conversion of Boolean values to DefaultBoolean, and vice versa, as the conversion may produce incorrect results.
Default	The default behavior determined by the control’s logic.

Remarks

Use the AllowHeaderFilter property to allow filtering using the header filter for a particular tree list column. To specify whether filtering using the header filter is enabled for all tree list columns, use the TreeListSettingsBehavior.AllowHeaderFilter property.

Note

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