<asp:TemplateField HeaderText="Non conforme / Rilavorato / Rottamato">
                    <ItemTemplate>
                        <asp:RadioButtonList runat="server" id="radiobtn" RepeatDirection="Horizontal" RepeatColumns="3" Width="330px" Height="30"  BackColor="Transparent" Visible="false">
                        <asp:ListItem Value="1" Text="Non conforme" Selected></asp:ListItem>
                        <asp:ListItem Value="2" Text="Rilavorato"></asp:ListItem>
                        <asp:ListItem Value="3" Text="Rottamato"></asp:ListItem>
                        </asp:RadioButtonList>
                    </ItemTemplate>
                </asp:TemplateField>