customizing createuserwizard

Hi!
I am currently working on customizing a createuserwizard in VB by including additional information such lastname, firstname, gender and bithdate to be gathered from users. This information all collected at the same part where the username, password,. etc.. are taken. Already at this stage and done the following:
Utilized webservice to populate my cascadingdropdownlist: Working!
Code for my createuser.aspx
    <div>
        <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
        </asp:ToolkitScriptManager>
        <asp:UpdatePanel ID="UpdatePanel1" runat="server">
            <ContentTemplate>
            &nbs ...