TreeViewNode() Constructor

Initializes a new instance of the TreeViewNode class with default settings.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v23.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

public TreeViewNode()

VB.NET

Public Sub New

Remarks

The default constructor initializes all fields to their default values.

Example

The code below demonstrates how you can create new nodes and add them to a ASPxTreeView’s child node collection.

The image below shows the result:

C#

using DevExpress.Web.ASPxTreeView;

public partial class Constructor : System.Web.UI.Page {
    protected void Page_Load(object sender, EventArgs e) {
    }
    protected void Create_Nodes() {   
        //Create and list nodes
        TreeViewNode[] ChildList = {
           new TreeViewNode("Inbox", "Mail1", "~/Images/Inbox.png", "Inbox.aspx", "_self"),
           new TreeViewNode("Outbox", "Mail2", "~/Images/Outbox.png", "Outbox.aspx"),
           new TreeViewNode("Deleted Items", "Mail3", "~/Images/Deleted.png"),
           new TreeViewNode("Draft", "Mail4"),
           new TreeViewNode("Junk E-mail"),
        };
        //Create a parent node and initialize its Text property
        TreeViewNode node = new TreeViewNode();
        node.Text = "MyMail";
        //Add the created list to the node's child collection
        node.Nodes.AddRange(ChildList);
        //Add the node to the ASPxTreeView's child collection
        ASPxTreeView1.Nodes.Insert(0,node);
    }
}

ASPX

<dx:aspxtreeview id="ASPxTreeView1" runat="server">
</dx:aspxtreeview>