Repeater Databinding

I saw you asked for an example. My mark up looks like this now, the text boxes bind OK, but the drop down does not. I hope this makes sense to you?

George ....

<ww:wwWebRepeater ID="RPTRTEST" runat="Server">
<ItemTemplate>
<ww:wwWebTextBox runat="server" ID="Txtseq" ControlSource="seq" />
<ww:wwWebTextBox runat="server" ID="TxtSplices" ControlSource="splices" />
<ww:wwWebDropDownList runat='server' ID="Cmbaction" ControlSource="action" />
<br />
</ItemTemplate>
</ww:wwWebRepeater>