<%@ Page Language="C#" Title="Fibonacci Tree On Demand" %>
protected void PopulateNode(Object source, TreeNodeEventArgs e)
{
double nodeText = double.Parse(e.Node.Text);
double nodeValue = double.Parse(e.Node.Value);
TreeNode newNode = new TreeNode(nodeValue.ToString(), (nodeText + nodeValue).ToString());
newNode.PopulateOnDemand = true;
e.Node.ChildNodes.Add(newNode);
}
Fibonacci Tree