Treeview Control in ASP.NET

Below code use to Create a treeview control in asp.net

Aspx Page

<form id="form1" runat="server">

<div>

<asp:TreeView ID="TreeView1" runat="server">

</asp:TreeView>

</div>

</form>

Aspx.cs

public partial class TreeView : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

// Create the DataTable and columns

DataTable ItemTable = new DataTable("MyTable");

ItemTable.Columns.Add("ID", typeof(int));

ItemTable.Columns.Add("ParentID", typeof(int));

ItemTable.Columns.Add("Name", typeof(String));

// add some test data

ItemTable.Rows.Add(new object[] { 0, -1, "Bill Gates" });

ItemTable.Rows.Add(new object[] { 1, 0, "Steve Ballmer" });

ItemTable.Rows.Add(new object[] { 3, 1, "Mary Smith" });

ItemTable.Rows.Add(new object[] { 2, 0, "Paul Allen" });

ItemTable.Rows.Add(new object[] { 4, 2, "Ahmed Jones" });

ItemTable.Rows.Add(new object[] { 5, 2, "Wing Lee" });

DataRow[] SortedRows;

SortedRows = ItemTable.Select("", "ParentID");

XmlDocument XDoc = new XmlDocument();