<asp:ScriptManager ID="ScriptManager1" runat="server" />
            <asp:UpdatePanel ID="UpdatePane11" runat="server">
                <ContentTemplate>
                    <div>
                       Data i czas:
                       <%= DateTime.Now.ToString() %>
                    </div>
                    <div>
                        <asp:Button ID="Button1" runat="server" Text="Aktualizuj" />
                    </div>
                </ContentTemplate>
            </asp:UpdatePanel>
            <hr />
            <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional">
                <ContentTemplate>
                    <div>
                        Data i czas:
                        <%= DateTime.Now.ToString() %>
                    </div>
                    <div>
                        <asp:Button ID="Button2" runat="server" Text="Aktualizuj" />
                    </div>
                </ContentTemplate>
            </asp:UpdatePanel>
