or
<telerik:GridHyperLinkColumn UniqueName="CustomerID" DataTextField="CustomerID" DataNavigateUrlFields="CustomerHeaderSK" DataNavigateUrlFormatString="~/Modules/SP/CustomerRecordView.aspx?Mode=Edit&ID={0}" HeaderStyle-Width="80px" HeaderText="Customer" SortExpression="CustomerID" CurrentFilterFunction="StartsWith" ShowFilterIcon="False" AutoPostBackOnFilter="True" FilterControlWidth="60px"> </telerik:GridHyperLinkColumn>
<telerik:RadTreeView ID="RadTreeView1" runat="server" CheckBoxes="True" MultipleSelect="True" EnableViewState="true" ShowLineImages="False" EnableEmbeddedSkins="False" Skin="tree_2" OnNodeClick="RadTreeView1_NodeClick" OnNodeDataBound="RadTreeView1_NodeDataBound" > <NodeTemplate> <small> <asp:Label ID="lblnodeText" Text='<%#Eval("Title") %>' runat="server" /><asp:Label ID="lblCatId" Text='<%#Eval("Id") %>' runat="server" Visible="false"></asp:Label><asp:Label ID="lblisCustomer" Text='<%#Eval("isCustomer") %>' runat="server" Visible="false"></asp:Label><asp:Label ID="Description" runat="server" Text='<%#Eval("description") %>' Visible="false" /><asp:HiddenField ID="DescriptionVisible" runat="server" Value='<%#Eval("descriptionVisible") %>' /> <a href="javascript:Popup_Window('category_detail','<%# Eval("id") %>')" style="text-decoration: none;"> <span style="color: #BBBBBB">e</span></a></small></NodeTemplate></telerik:RadTreeView>function onRowMouseOver(sender, eventArgs) { var rowID = eventArgs.getDataKeyValue("PartyExperienceID"); document.getElementById("<%= HiddenLabel.ClientID %>").innerHTML = rowID;} <telerik:RadAjaxManager runat="server" ID="RadAjaxManager1"> <AjaxSettings> <telerik:AjaxSetting AjaxControlID="RadAjaxManager1"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="HiddenLabel" /> </UpdatedControls> </telerik:AjaxSetting> <telerik:AjaxSetting AjaxControlID="RadTreeView1"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="RadTreeView1" /> <telerik:AjaxUpdatedControl ControlID="RadGrid1" /> </UpdatedControls> </telerik:AjaxSetting> <telerik:AjaxSetting AjaxControlID="RadGrid1"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="HiddenLabel" /> </UpdatedControls> </telerik:AjaxSetting> </AjaxSettings></telerik:RadAjaxManager>