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DropDown与UltraWebTree结合问题

Infragistics NetAdvantage 插件
我在DropDown里加了UltraWebTree
怎么实现点击UltraWebTree的节点时 将Value显示在DropDown上啊
function test()
{
alert("!~!")

 //var combo = $find('<%= WebDropDown1.ClientID %>');


            }


</script>
    
    
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    <asp:ScriptManager ID="ScriptManager1" runat="server">
            </asp:ScriptManager>

    <ig:WebDropDown ID="WebDropDown1" runat="server" DropDownAnimationType="Linear" 
        DropDownContainerHeight="0px" DropDownContainerMaxHeight="0px" 
        DropDownContainerWidth="0px" EnableAnimations="False" 
        EnableAutoCompleteFirstMatch="False" EnableClosingDropDownOnSelect="False" 
        EnableDropDownAsChild="True" EnableTheming="True" 
        MultipleSelectionType="Checkbox" PageSize="0" Width="200px">
        <Items>
            <ig:DropDownItem Disabled="False" IsCustom="False" Selected="False" 
                Text="test" Value="">
            </ig:DropDownItem>
        </Items>
        <ItemTemplate>
            <ignav:UltraWebTree ID="UltraWebTree1" runat="server" DefaultImage="" 
                HoverClass="" Indentation="20" HiliteClass=""  >
                
                                        <ClientSideEvents AfterNodeSelectionChange="test">
                                        </ClientSideEvents>
                <Levels>
                    <ignav:Level Index="0" />
                </Levels>
            </ignav:UltraWebTree>
        </ItemTemplate>
    </ig:WebDropDown>
    <br />
    <igtxt:WebTextEdit ID="WebTextEdit1" runat="server">
    </igtxt:WebTextEdit>
    </form>
</body>
</html>
--------------------编程问答-------------------- --------------------编程问答--------------------
function UltraWebTree1_AfterNodeSelectionChange(treeId, nodeId)
        {
            var Node = igtree_getNodeById(nodeId);
            var Tag = Node.getTag();
            var Datakey = Node.getDataKey();
            var Text= Node.getText();
            //获取 WebDropDown1 然后给它赋值,看一下帮助文档
        }
--------------------编程问答--------------------
<ignav:UltraWebTree ID="UltraWebTree1" runat="server" EnableAppStyling="False" WebTreeTarget="ClassicTree"
                Width="100%" DataKeyOnClient="True">
                <Images>
                    <RootNodeImage Url="~/Image/icons/folder.gif" />
                    <DefaultImage Url="~/Image/icons/folder_new1.gif" />
                    <ParentNodeImage Url="~/Image/icons/folder.gif" />
                </Images>
                <ClientSideEvents AfterNodeSelectionChange="UltraWebTree1_AfterNodeSelectionChange" />
            </ignav:UltraWebTree>
--------------------编程问答--------------------
引用 2 楼 cherho0 的回复:
JScript code
function UltraWebTree1_AfterNodeSelectionChange(treeId, nodeId)
        {
            var Node = igtree_getNodeById(nodeId);
            var Tag = Node.getTag();
            var Data……

我是需要在客户端给WebDropDown1赋值~! --------------------编程问答--------------------
引用 4 楼 rsc00 的回复:
引用 2 楼 cherho0 的回复:
JScript code
function UltraWebTree1_AfterNodeSelectionChange(treeId, nodeId)
{
var Node = igtree_getNodeById(nodeId);
var Tag = Node.getTag();
var Data……

我是需要在客户端给WebDropD……

。。。这不就是JS赋值吗,不就是客户端吗你还要怎么样? --------------------编程问答-------------------- 只看到了获取NODE的值,并没看到怎么给WebDropDown1赋值啊~! --------------------编程问答--------------------
引用 2 楼 cherho0 的回复:
JScript code
function UltraWebTree1_AfterNodeSelectionChange(treeId, nodeId)
        {
            var Node = igtree_getNodeById(nodeId);
            var Tag = Node.getTag();
            var Data……

我需要知道怎么给WebDropDown1赋值,不是怎么获取NODE的值 --------------------编程问答--------------------
引用 7 楼 rsc00 的回复:
引用 2 楼 cherho0 的回复:
JScript code
function UltraWebTree1_AfterNodeSelectionChange(treeId, nodeId)
{
var Node = igtree_getNodeById(nodeId);
var Tag = Node.getTag();
var Data……

我需要知道怎么给WebDropDo……

你看下帮助文档,看看用什么方法获取WebDropDown,我现在没环境,方法忘记了,文档上都有的 --------------------编程问答-------------------- 没找到 --------------------编程问答-------------------- 用什么方法获取WebDropDown?怎么赋值啊~!?
补充:.NET技术 ,  C#
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