[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