[原创]在树控件中点击一个父结点，所有的子节点都被选中！

<script language="javascript">
        function CheckNode()
         { 
         var choose;
         var indexid;
         indexid=TreeView1.clickedNodeIndex;
        
         choose=TreeView1.getTreeNode(indexid).getAttribute('Checked');
         var NodeArray=new Array();
          NodeArray=TreeView1.getTreeNode(indexid).getChildren();
         for(i=0;i<NodeArray.length;i++)
        {
         var tempindex=indexid+"."+i;
          NodeArray[i].setAttribute('Checked',choose);
        }
        }
        </script>

    <iewc:TreeView id="TreeView1" style="Z-INDEX: 101; LEFT: 8px; POSITION: absolute; TOP: 96px" runat="server"
                ExpandLevel="1">
                <iewc:TreeNode CheckBox="True" Text="Node0" Expanded="True">
                    <iewc:TreeNode CheckBox="True" Text="Node7"></iewc:TreeNode>
                    <iewc:TreeNode CheckBox="True" Text="Node8"></iewc:TreeNode>
                </iewc:TreeNode>
                <iewc:TreeNode CheckBox="True" Text="Node1" Expanded="True">
                    <iewc:TreeNode CheckBox="True" Text="Node9"></iewc:TreeNode>
                    <iewc:TreeNode CheckBox="True" Text="Node10"></iewc:TreeNode>
                </iewc:TreeNode>
            </iewc:TreeView>

Private Sub Page_Load()Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        TreeView1.Attributes.Add("oncheck", "CheckNode()")
    End Sub