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TreeListNodeCollection Class

Represents a collection of nodes.

Namespace: DevExpress.Web.ASPxTreeList

Assembly: DevExpress.Web.ASPxTreeList.v18.2.dll

Declaration

public class TreeListNodeCollection :
    IEnumerable
Public Class TreeListNodeCollection
    Implements IEnumerable

Related API Members

The following members accept/return TreeListNodeCollection objects:

Examples

This example shows how to create a simple tree when the ASPxTreeList functions in unbound mode. New nodes are created and added to the ASPxTreeList via the ASPxTreeList.AppendNode method.

Columns can be created at design time or in code. For detailed information, see Creating Columns and Binding Them to Data Fields.

The image below shows the result:

exCreatingNewNodes

using DevExpress.Web.ASPxTreeList;

protected void Page_Load(object sender, EventArgs e) {
    CreateTree();
}

void CreateTree() {
    TreeListNode parentNode = CreateNodeCore(0, "<b>Local Folders</b>", null);
    CreateNodeCore(1, "Inbox", parentNode);
    CreateNodeCore(2, "Outbox", parentNode);
    CreateNodeCore(3, "Sent Items", parentNode);
    CreateNodeCore(4, "Deleted Items", parentNode);
    TreeListNode searchFolders = CreateNodeCore(5, "<b>Search Folders</b>", null);
    CreateNodeCore(6, "Categorized Mail", searchFolders);
    CreateNodeCore(7, "Large Mail", searchFolders);
}

TreeListNode CreateNodeCore(int key, string text, TreeListNode parentNode) {
    TreeListNode node = ASPxTreeList1.AppendNode(key, parentNode);
    node["Folder"] = text;
    return node;
}

Implements

Inheritance

Object
TreeListNodeCollection
See Also