Ajax Accordion 效果

  <asp:ScriptManager ID="ScriptManager1" runat="server" />
    <cc1:Accordion ID="Accordion1" runat="server" SelectedIndex="0" FadeTransitions="true"
        FramesPerSecond="40" TransitionDuration="250" AutoSize="Limit" Height="300px"
        CssClass="myAccordion" Width="820px" HeaderCssClass="header" OnItemDataBound="Accordion1_ItemDataBound"
        OnItemCommand="Accordion1_ItemCommand">
        <HeaderTemplate>
            <asp:Label ID="lblCN" runat="server" Text='<%# Eval("ProvinceName")+"("+Eval("CityName")+")" %>'></asp:Label>
            <asp:Label ID="lblEN" runat="server" Text='<%# Eval("ProvinceNameEn")+"("+Eval("CityNameEn")+")" %>'></asp:Label>
           <asp:Button ID="btnCount" runat="server" Text='<%# Eval("VolunteerCount") %>'
                CommandArgument='<%# Eval("VolunteerCount") %>' CommandName="ShowCount" />
        </HeaderTemplate>
        <ContentTemplate>
            <asp:GridView ID="GVVOList" runat="server" DataSource='<%# GetVos(Eval("ProvinceCode"),Eval("CityCode")) %>'
                DataKeyNames="VolunteerID" Width="820px" AllowPaging="false" AllowSorting="true"
                AutoGenerateColumns="false" CssClass="tablestyle1">
                <HeaderStyle CssClass="titletd" />
                <Columns>
                    <asp:BoundField DataField="EmployeeID" HeaderText="<%$ Resources:LocalizedText,Public_EmployeeID %>">
                        <ItemStyle Width="20%" />
                    </asp:BoundField>
                    <asp:BoundField DataField="ChineseName" HeaderText="<%$ Resources:LocalizedText,Public_ChineseName %>"
                        ItemStyle-Wrap="true">
                        <ItemStyle Width="20%" />
                    </asp:BoundField>
                    <asp:BoundField DataField="EnglishName" HeaderText="<%$ Resources:LocalizedText,Public_EnglishName %>"
                        ItemStyle-Wrap="true">
                        <ItemStyle Width="20%" />
                    </asp:BoundField>
                    <asp:TemplateField HeaderText="<%$ Resources:LocalizedText,Public_Sex %>" ItemStyle-Width="15%"
                        ItemStyle-Wrap="true">
                        <ItemTemplate>
                            <asp:Label ID="Sex" runat="server" Text='<%#  GetSex(Eval("Sex")) %>'></asp:Label>
                        </ItemTemplate>
                        <ItemStyle Width="10%" />
                    </asp:TemplateField>
                    <asp:BoundField DataField="WorkGroupName" HeaderText="<%$ Resources:LocalizedText,WorkGroup_Title %>"
                        ItemStyle-Wrap="true">
                        <ItemStyle Width="20%" />
                    </asp:BoundField>
                </Columns>
            </asp:GridView>
        </ContentTemplate>
    </cc1:Accordion>