ASP.NET

< asp:TreeView <br />
  ID="TreeView"<br />
  runat="server"<br />
  OnSelectedNodeChanged="TreeView_SelectedNodeChanged"<br />
  ShowExpandCollapse="false" ><br />
</asp:TreeView><br />
<asp:SiteMapDataSource ID="SiteMapDataSource" runat="server" ShowStartingNode="false" />

protected void Page_Load(object sender, EventArgs e)<br />
{<br />
  TreeView.ExpandDepth = 0;<br />
  TreeView.DataSource = SiteMapDataSource;<br />
  TreeView.DataBind();<br />
  SetTreeNodeSelectAction(TreeView.Nodes);<br />
}<br />
<br />
void SetTreeNodeSelectAction(TreeNodeCollection nodes)<br />
{<br />
  foreach(TreeNode node in nodes)<br />
  {<br />
    node.SelectAction = TreeNodeSelectAction.Select;<br />
    SetTreeNodeSelectAction(node.ChildNodes);<br />
  }<br />
}<br />
<br />
protected void TreeView_SelectedNodeChanged(object sender, EventArgs e)<br />
{<br />
  if (TreeView.SelectedNode == null) return;<br />
  TreeView.CollapseAll();<br />
  TreeView.SelectedNode.Expand();<br />
} 

<script language="javascript" type="text/javascript"><br />
<br />
// Global variables.<br />
var numSeconds;<br />
var timerId = null;<br />
var timerInterval = 1000;<br />
var numUpdates = 0;<br />
<br />
// Handle OnLoad event.<br />
window.onload = Window_OnLoad;<br />
<br />
function Window_OnLoad()<br />
{      <br />
    StartProcess();<br />
}<br />
<br />
// Starts the process for updating the Map.<br />
function StartProcess()<br />
{<br />
    // 200 x 3 seconds = 600 seconds = 10 minutes demo.<br />
    if ( numUpdates < 72 )<br />
    {<br />
        // Duration between actual updates to the map in seconds.<br />
        numSeconds = 3;<br />
        UpdateMap();<br />
        numUpdates++;<br />
    }<br />
}<br />
                   <br />
// Continues the process of updating the Map.<br />
function UpdateMap()<br />
{               <br />
    if ( numSeconds == 0 )<br />
    {<br />
        // Clears the timer.<br />
        clearTimeout(timerId);<br />
        <br />
        // Update the Map control.<br />
        var mapControl = document.getElementById("MapControl1");<br />
        mapControl.doCallback("IncrementSales", "");<br />
    <br />
        // Restart the process.<br />
        StartProcess();<br />
    }<br />
    else<br />
    {<br />
        // Decrease the value for seconds.<br />
        numSeconds = numSeconds - 1;<br />
        <br />
        // Continue the delayed process.<br />
        timerId = self.setTimeout("UpdateMap()", timerInterval);<br />
    }<br />
}<br />
</script>