<asp:TemplateField>
     <ItemTemplate>
        <asp:HiddenField ID="hiddenCustomerId" runat="server" Value='<%# Eval("CustomerId")%>' />
        <asp:LinkButton ID="lblPerson" runat="server" Text='<%# Eval("Name")%>' OnClick="lblPerson_Click" />
        <asp:LinkButton ID="lblPersonInvisible" runat="server" Style="display: none; visible: false;" />
        <asp:Panel ID="pnlPerson" runat="server" Style="display: none" Width="820px" Height="500px"                   
              BackColor="#689be1">
              <div style="float: right;" id="divCustomer">                                   
                    <uc1:Customer ID="customerInGridView" runat="server" CustomerId='<%# Eval("CustomerId")%>'/>
              </div>
              <table style="margin: auto;">
                   <tr>
                         <td>
                              <asp:Button ID="btCancel" runat="server" CssClass="DialogButton Cancel" Text="Отменить" />
                          </td>
                          <td>
                              <asp:Button ID="btSaveCustomerGrid" runat="server" CssClass="DialogButton Ok" Text="Сохранить"
                                                OnClick="btSaveCustomerGrid_Click" UseSubmitBehavior="false" />
                          </td>
                    </tr>
                </table>
        </asp:Panel>
        <asp:ModalPopupExtender ID="extPerson" runat="server" TargetControlID="lblPersonInvisible"
                                PopupControlID="pnlPerson" DropShadow="true" CancelControlID="btCancel" />
         </ItemTemplate>
</asp:TemplateField>