var selectedNodeID = $("#<%=TreeView1.ClientID %>_SelectedNode").val();
if (selectedNodeID != "") {
var selectedNode = document.getElementById(selectedNodeID);
var value = selectedNode.href.substring(selectedNode.href.indexOf(",") + 3, selectedNode.href.length - 2);
var text = selectedNode.innerHTML;
alert("Text = " + text + "\r\n" + "Value = " + value)
}
else {
alert("没有选择节点。")
}
