codice:
        <asp:GridView runat="server" ID="gv" AutoGenerateColumns="false">
        <Columns>
            <asp:TemplateField>
                <ItemTemplate>
                <table>
                    <tr><td>nome1</td><td>nome2</td><td>nome3</td></tr>
                    <tr><td>nome4</td><td>nome5</td><td>nome6</td></tr>
                </table>
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
        </asp:GridView>
con <%# Eval ... etc %>