AJAX 使用 CollapsiblePanelExtender 有空位

我寫一個新聞欄
按下標題會出現詳細內容
但 panel 會佔用了一個 <br> 位 , 有無方法令它不會顥示結果如下 : 
 17/8/2008 0:00:00       test
     間了一行 , 因為使用 panel 關係
 17/8/2008 0:00:00       test2[align=center].
.
.
.[/align]                                <asp:TemplateField>
                                    <ItemTemplate>
                                        <asp:Panel ID="panitem" runat="server" Width="603px">
                                            <table border="0" cellspacing="0" cellpadding="0">
                                                <tr>
                                                    <td style="width: 210px; height: 50px;">
                                        <asp:Label ID="Label1" runat="server" Text='<%# Bind("news_date") %>' Width="205px"></asp:Label><br />
                                                    </td>
                                                    <td style="width: 432px; height: 50px;">
                                                        <asp:Panel ID="showlabel" runat="server" Width="100%">
                                        <asp:Label ID="Label2" runat="server" Text='<%# Bind("news_subject") %>'></asp:Label></asp:Panel></td>
                                                </tr>
                                            </table>
                                        <asp:Panel ID="Panel2" runat="server" Height="50px" Width="595px">
                                            <asp:Label ID="Label3" runat="server" Text='<%# Bind("news_content") %>'></asp:Label>
                                        </asp:Panel>
                                        </asp:Panel>
                                        &nbsp;<br />
                                        <cc1:CollapsiblePanelExtender ID="CollapsiblePanelExtender1" runat="server" TargetControlID="Panel2" Collapsed="true" ExpandControlID="showlabel" CollapseControlID="showlabel">
                                        </cc1:CollapsiblePanelExtender>
                                    </ItemTemplate>
                                </asp:TemplateField>
                            </Columns>
                        </asp:GridView>