or
<telerik:RadListBox ID="uxOperativeListBox" runat="server" Height="330" Width="380" OnItemDataBound="uxOperativeListBox_ItemDataBound" OnClientItemChecked="OperativeListBoxClicked"> <ItemTemplate> <div> <asp:CheckBox runat="server" ID="uxCheckbox" Checked='false' style="vertical-align:middle;" /> <asp:Image runat="server" ID="uxOperativeStatus" ImageUrl="~/Images/Icons/16/ok.png" style="vertical-align:middle;" /> <asp:Label runat="server" ID="uxOperative" AssociatedControlID="uxCheckbox" style="vertical-align:middle;"></asp:Label> </div> </ItemTemplate></telerik:RadListBox>

I need to implement client-side Select All functionality in a nested RadGrid, however, I cannot use the default Telerik select functionality. Following is the code. I am calling a JS method upon click of the checkbox in the header and want to select or deselect based on the state of the header checkbox.
<telerik:RadGrid ID="Orders" AllowRowSelect="true" AllowCustomPaging="true" runat="server" OnItemCommand="Orders_ItemCommand" OnItemDataBound="Orders_ItemDataBound" OnNeedDataSource="Orders_NeedDataSource" AutoGenerateColumns="false" AllowSorting="false" GroupingSettings-CaseSensitive="false"> <ClientSettings> <Selecting AllowRowSelect="true" /> <ClientEvents OnFilterMenuShowing="filterMenushowing" /> </ClientSettings> <MasterTableView EditMode="InPlace" AllowFilteringByColumn="false"> <Columns> <%--Some columns--%> </Columns> <NestedViewTemplate> <asp:Panel ID="pnlAsset" runat="server"> <telerik:RadTabStrip runat="server" ID="AssetTabStrip" MultiPageID="MultiPage1" SelectedIndex="0" Skin="Windows7"> <Tabs> <telerik:RadTab runat="server" Text="Something" PageViewID="RadPageView1"></telerik:RadTab> <%--Some more tabs--%> </Tabs> </telerik:RadTabStrip> <telerik:RadMultiPage runat="server" ID="Multipage1" SelectedIndex="0"> <telerik:RadPageView runat="server" ID="RadPageView1"> <div id="divAsset"> <telerik:RadGrid ID="Assets" runat="server" AutoGenerateColumns="False" Skin="Windows7" AllowSorting="false" CssClass="GridMargin" AllowPaging="true" PageSize="10" GroupingSettings-CaseSensitive="false" GridLines="None" CellSpacing="0" OnItemDataBound="Assets_ItemDataBound" OnItemCommand="Assets_ItemCommand" OnNeedDataSource="Assets_NeedDataSource" AllowCustomPaging="true"> <ClientSettings> <Selecting AllowRowSelect="false" /> <ClientEvents OnFilterMenuShowing="filterMenushowing" /> </ClientSettings> <MasterTableView EditMode="InPlace" AllowFilteringByColumn="false"> <Columns> <telerik:GridTemplateColumn UniqueName="move" AllowFiltering="false"> <HeaderTemplate> <asp:CheckBox ID="chkSelectAll" runat="Server" onclick="checkAssetGridAll(this);" /> </HeaderTemplate> <ItemTemplate> <asp:CheckBox ID="chkSelect" runat="server" /> </ItemTemplate> </telerik:GridTemplateColumn> <%--Some columns--%> </Columns> </MasterTableView> </telerik:RadGrid> </div> </telerik:RadPageView> </telerik:RadMultiPage> </asp:Panel> </NestedViewTemplate> </MasterTableView></telerik:RadGrid>var masterTable = $find("<%= Orders.ClientID %>").get_masterTableView();var dataItems = masterTable.get_dataItems();for (var i = 0; i < dataItems.length; i++) { alert(dataItems[i].get_nestedViews().length);}
