ListBox not seen on iphone

I use VB2005 .net2 and have the web site   www.ktrials.com.au

If you select 'Riders' on that web site then 'Event Select' there is a ListBox with some listings in white and others in blue

There are four problems

1) IE10 requires me to switch back to compatibility mode else I only see a short list.
2) The scroll bar is pushed of screen when my customers puts in long text
3) The page when viewed in an IPhone shows this box as blank. They can see the listing if they click on the blank box.
4) If I select an event it takes me to another page but if I return, I cannot select the same event. That is because I use the event SelectedIndexChanged, but there does not seem to be an alternative.

Is there a better control to use or are there some adjustments I can make?

My code is very simple

HTML

                <asp:ListBox ID="ddlEvents" runat="server" AutoPostBack="True" Font-Bold="True" Font-Size="Large"
                    Height="448px"></asp:ListBox>


Code behind

'Fill the list box

                ddlEvents.Items.Add(New ListItem(sb.ToString))
                If ElapsedDays > 0 Then
                    'Colour the background of closed events
                    ddlEvents.Items(ddlEvents.Items.Count - 1).Attributes.Add("style", "background-color:lightblue")
                End If



  Protected Sub ddlEvents_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ddlEvents.SelectedIndexChanged

      'Analyse the selected option
            Server.Transfer("page for the selected event")
 end sub


I do not wish to move away from VB2005 .NET2

I recently installed Syncfusion but they do not seem to have a suitable control.

regards and thanks
Bill Penrose