<asp:Repeater id="rptRighe" runat="server">
                <HeaderTemplate>
                <table border="1" width="100%">
                    <tr>
                        <th>Descrizione</th>
                        <th>IVA</th>
                        <th>Quantita</th>
                        <th>Importo</th>
                        <th>Imponibile</th>
                        <th>Totale</th>
                    </tr>
                </HeaderTemplate>
                <ItemTemplate>
                <tr>
                    <td>                     
                        <asp:TextBox ID="tbDescrizione" Width="350" Text='<%# DataBinder.Eval(Container.DataItem, "DescrizioneRiga") %>' runat="server"></asp:TextBox>
                    </td>
                    <td>
                        <asp:DropDownList ID="ddlAliquota" runat="server" DataSourceID="sdsAliquote"
                        DataValueField="ID" DataTextField="DescrizioneAliquota">
                        </asp:DropDownList> 
                    </td>
                    <td>
                        <asp:TextBox ID="tbQuantita" Width="50"  runat="server"></asp:TextBox>
                    </td>           
                    <td>
                        <asp:TextBox ID="tbImporto" Width="100" runat="server"></asp:TextBox>
                    </td>
                    <td>
                        <asp:TextBox ID="tbImponibile" Width="100" runat="server"></asp:TextBox>
                    </td>
                    <td>
                        <asp:TextBox ID="tbTotale" Width="100" runat="server"></asp:TextBox>
                    </td>
                </tr>
                </ItemTemplate>
                <FooterTemplate>
                </table>
                </FooterTemplate>
            </asp:Repeater>  




nel page_load del codebehind....

 

               rigaFattura.Add(new RigaFattura(....));
               
                rigaFattura.Add(new RigaFattura(....));
               



          rptRighe.DataSource = rigaFattura;
        rptRighe.DataBind();