ASPxTreeList.ExpandAll() Method

Expands all nodes.

Namespace: DevExpress.Web.ASPxTreeList

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

NuGet Package: DevExpress.Web

Declaration

C#

public void ExpandAll()

VB.NET

Public Sub ExpandAll

Remarks

To expand the specified node, set its TreeListNode.Expanded property to true. To expand a node on the client, use the ASPxClientTreeList.ExpandNode method.

To stop the node from being expanded, handle the ASPxTreeList.NodeExpanding event. Once the node has been expanded, the ASPxTreeList.NodeExpanded event is raised.

For more information, see Expanding and Collapsing Nodes.

Related GitHub Examples

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

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#

how-to-define-a-cell-template-that-is-visible-or-hidden-based-on-the-node-it-belongs-to-e404/CS/OptionalCellTemplates/Default.aspx.cs#L20

    nodeChild.SetValue("Column1", "child");
    ASPxTreeList1.ExpandAll();
}

how-to-implement-instant-editing-in-the-aspxtreelist-e1241/CS/Default.aspx.cs#L17

ASPxTreeList1.DataBind();
ASPxTreeList1.ExpandAll();
if(ASPxTreeList1.FocusedNode == null)

XAF_how-to-search-and-focus-nodes-in-the-tree-list-editor-e520/CS/E520.Module.Web/Controllers/WebFilterTreeListViewController.cs#L46

if (!String.IsNullOrEmpty(searchText)) {
    treeList.ExpandAll();
}

VB.NET

how-to-define-a-cell-template-that-is-visible-or-hidden-based-on-the-node-it-belongs-to-e404/VB/OptionalCellTemplates/Default.aspx.vb#L22

    nodeChild.SetValue("Column1", "child")
    ASPxTreeList1.ExpandAll()
End Sub

how-to-implement-instant-editing-in-the-aspxtreelist-e1241/VB/Default.aspx.vb#L19

ASPxTreeList1.DataBind()
ASPxTreeList1.ExpandAll()
If ASPxTreeList1.FocusedNode Is Nothing Then

XAF_how-to-search-and-focus-nodes-in-the-tree-list-editor-e520/VB/E520.Module.Web/Controllers/WebFilterTreeListViewController.vb#L48

If Not String.IsNullOrEmpty(searchText) Then
    treeList.ExpandAll()
End If