TreeListSettingsEditing.AllowRecursiveDelete Property

Gets or sets whether parent nodes can be deleted.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v20.2.dll

Declaration

[DefaultValue(false)]
public bool AllowRecursiveDelete { get; set; }
<DefaultValue(False)>
Public Property AllowRecursiveDelete As Boolean

Property Value

Type Default Description
Boolean

false

true to allow deleting parent nodes within their children; false only child nodes (not parent) can be deleted.

Property Paths

You can access this nested property as listed below:

Object Type Path to AllowRecursiveDelete
ASPxTreeList
.SettingsEditing.AllowRecursiveDelete
MVCxTreeList
.SettingsEditing.AllowRecursiveDelete
MVCxTreeList
.SettingsEditing.AllowRecursiveDelete
TreeListSettings
.SettingsEditing.AllowRecursiveDelete
TreeListSettings<RowType>
.SettingsEditing.AllowRecursiveDelete

Remarks

If the AllowRecursiveDelete option is disabled, an error message is displayed when deleting a parent node. To change the error text, use the TreeListSettingsText.RecursiveDeleteError property.

RecursiveDelete

To learn more, see Adding and Deleting Nodes.

Examples

This example shows how to delete selected nodes.

The image below shows the result:

exDeleteSelectedNodes

To learn more, see Adding and Deleting Nodes.

using DevExpress.Web.ASPxTreeList;

protected void Page_Load(object sender, EventArgs e) {
    ASPxTreeList1.SettingsEditing.AllowRecursiveDelete = true;
}
protected void ASPxTreeList1_CustomCallback(object sender,
TreeListCustomCallbackEventArgs e) {
    foreach (TreeListNode node in ASPxTreeList1.GetSelectedNodes())
        ASPxTreeList1.DeleteNode(node.Key);
    ASPxTreeList1.DataBind();
}
See Also