<asp:Label ID="idutenteLabel" runat="server" Text='<%# Eval("idutente") %>' visible="True"/>
                                        <div style="text-align: right">
                                            <asp:Button ID="Button3" runat="server" CommandArgument='<%# Eval("idutente") %>' 
                                            CommandName="Delete" Text="Elimina"  OnClientClick="return window.confirm('Eliminare Commento?');" Visible="False" />
                                        </div>