or

<telerik:RadGrid ID="RadGrid1" AutoGenerateColumns="False" runat="server" AllowPaging="True" PageSize="10" Width="60%" GridLines="None" Skin="WebBlue" OnNeedDataSource="RadGrid1_NeedDataSource" OnItemCommand="RadGrid1_ItemCommand" OnDetailTableDataBind="RadGrid1_DetailTableDataBind" OnPrerender="RadGrid1_PreRender" > <MasterTableView ShowHeader="false" Width="100%"> <DetailTables> <telerik:GridTableView Name="DetailsTable1" Width="100%" ShowHeader="false" AutoGenerateColumns="false"> <Columns> <telerik:GridTemplateColumn UniqueName="Column2"> <ItemTemplate> <telerik:RadButton ID="Button2" runat="server" Text="Button2" OnClick="Button2_Click" /> </ItemTemplate> </telerik:GridTemplateColumn> </Columns> </telerik:GridTableView> </DetailTables> <Columns> <telerik:GridTemplateColumn UniqueName="TemplateColumn"> <ItemTemplate> <telerik:RadButton ID="Button1" runat="server" Text="Button1" OnClick="Button1_Click" /> </ItemTemplate> </telerik:GridTemplateColumn> </Columns> </MasterTableView> </telerik:RadGrid><telerik:RadToolTipManager runat="server" ID="RadToolTipManager1" OffsetX="0" OffsetY="0" ShowDelay="5000" HideDelay="500" Width="320" Height="210" Animation="None" Text="Loading..." RelativeTo="Element" OnAjaxUpdate="RadToolTipManager1_AjaxUpdate" OnClientBeforeShow="FolderTreeToolTipBeforeShow" EnableShadow="true" HideEvent="LeaveTargetAndToolTip" AutoCloseDelay="10000" />