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using System;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
public class Populate: Page
{
public void TreeView1_TreeNodePopulate(object sender, TreeNodeEventArgs e)
{
if (e.Node.Depth > 4)
return;
for (int n = 0; n < (e.Node.Depth+1) * 2; n++)
{
string label = string.Empty;
if (e.Node.Depth < 1)
label = "Node";
else
label = e.Node.Text;
if (Char.IsDigit(label.ToCharArray()[label.Length-1])) {
label += " " + (char)(n + 65);
} else {
label += " " + n;
}
TreeNode nod = new TreeNode(label);
//TreeNode nod = new TreeNode("Node " + e.Node.Depth + " " + n);
nod.PopulateOnDemand = true;
e.Node.ChildNodes.Add(nod);
}
}
}
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