ho questa datagrid, ho bisogno nella colonna del hyperlinkcolumn quando clicco sul link mi si apra un popup. come posso fare?codice:<asp:datagrid id="DataGrid2" style="Z-INDEX: 103; LEFT: 16px; POSITION: absolute; TOP: 104px" runat="server" Width="1072px" CssClass="corpotesto" BorderColor="#CC9966" BorderStyle="None" BorderWidth="1px" BackColor="White" CellPadding="4" AutoGenerateColumns="False" Height="192px"> <FooterStyle ForeColor="#330099" BackColor="#FFFFCC"></FooterStyle> <SelectedItemStyle Font-Bold="True" ForeColor="#663399" BackColor="#FFCC66"></SelectedItemStyle> <ItemStyle ForeColor="#330099" BackColor="White"></ItemStyle> <HeaderStyle Font-Bold="True" ForeColor="#FFFFCC" BackColor="#990000"></HeaderStyle> <Columns> <asp:BoundColumn DataField="Codice" HeaderText="Codice"></asp:BoundColumn> <asp:BoundColumn DataField="Nome" HeaderText="Servizio"></asp:BoundColumn> <asp:BoundColumn DataField="Descrizione" HeaderText="Descrizione"></asp:BoundColumn> <asp:BoundColumn Visible="False" DataField="NomeGruppo" HeaderText="NomeGruppo"></asp:BoundColumn> <asp:BoundColumn Visible="False" DataField="DestinatarioDsi" HeaderText="DestinatarioDsi"></asp:BoundColumn> <asp:BoundColumn Visible="False" DataField="Costo" HeaderText="Costo unitario"> <ItemStyle HorizontalAlign="Right"></ItemStyle> </asp:BoundColumn> <asp:BoundColumn DataField="OrarioServizio" HeaderText="Orario servizio"> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:BoundColumn> <asp:BoundColumn DataField="SupportoUtenza" HeaderText="Supporto utenza"> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:BoundColumn> <asp:BoundColumn DataField="Disponibilità" HeaderText="Disponibilità"></asp:BoundColumn> <asp:BoundColumn Visible="False" DataField="URL_Doc" HeaderText="URL_Doc"></asp:BoundColumn> <asp:HyperLinkColumn Target="_blank" DataNavigateUrlField="Descrizione" DataTextField="Descrizione" HeaderText="Descrizione" DataTextFormatString="Dettaglio"></asp:HyperLinkColumn> <asp:BoundColumn Visible="False" DataField="DataCreazione" HeaderText="Data Creazione" DataFormatString="{0:G}"></asp:BoundColumn> <asp:BoundColumn Visible="False" DataField="IsActive" HeaderText="IsActive"></asp:BoundColumn> <asp:BoundColumn Visible="False" DataField="ID_Gruppo_Servizi" HeaderText="ID_Gruppo_Servizi"></asp:BoundColumn> <asp:BoundColumn Visible="False" DataField="Totale" HeaderText="Prezzo Totale"> <ItemStyle HorizontalAlign="Right"></ItemStyle> </asp:BoundColumn> <asp:TemplateColumn HeaderText="Quantità"> <ItemStyle HorizontalAlign="Center"></ItemStyle> <ItemTemplate> <asp:TextBox id="txtQuantita" runat="server" Width="48px" CssClass="textbox">1</asp:TextBox> <asp:CustomValidator id="CustomValidator1" runat="server" ErrorMessage="Formato non numerico" ControlToValidate="txtQuantita"></asp:CustomValidator> </ItemTemplate> </asp:TemplateColumn> <asp:EditCommandColumn ButtonType="PushButton" UpdateText="Aggiorna" CancelText="Annulla" EditText="Aggiungi"></asp:EditCommandColumn> </Columns> <PagerStyle HorizontalAlign="Center" ForeColor="#330099" BackColor="#FFFFCC"></PagerStyle> </asp:datagrid>