<asp:ScriptManager ID="ScriptManager1" runat="server">
        </asp:ScriptManager>
        <br />
        <asp:UpdatePanel ID="UpdatePanel1" runat="server" RenderMode="Inline">
            <ContentTemplate>
                <%= DateTime.Now.ToString() %>
            </ContentTemplate>
        </asp:UpdatePanel>
        <br />
        <asp:UpdatePanel ID="UpdatePanel2" runat="server" RenderMode="Block">
            <ContentTemplate>
                <%= DateTime.Now.ToString() %>
            </ContentTemplate>
        </asp:UpdatePanel>
