Creating/Handling events for controls when added during runtime.

I am using a Repeater which contains a placeholder. The placeholder is bound to my database and each ItemTemplate contains 1-6 radiobuttons depending on what the database returns. What I need to do is somehow keep track of which one of the radiobuttons is checked for each question so I can write the user's answers to the database when they complete the test, any ideas??

<asp:Repeater ID="Repeater1"  OnItemDataBound="R1_ItemDataBound" runat="server">
<ItemTemplate>
   <asp:PlaceHolder ID="phAnswers" runat="server">
   </asp:PlaceHolder> 
</ItemTemplate>
</asp:Repeater>

Sub R1_ItemDataBound(ByVal Sender As Object, ByVal e As RepeaterItemEventArgs)

   Dim tempPH As PlaceHolder

   tempPH = e.Item.FindControl("phAnswers")

   For x As Integer = 0 To (t_MC.Count - 1)


   newRadio = New RadioButton

   newRadio.ID = "Answer" + x.ToString
   newRadio.GroupName = "Answer" + tempQuestion.ID.ToString
   newRadio.Text = t_MC(x).Value
   newRadio.Width = 800

   tempPH.Controls.Add(newRadio)

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Creating/Handling events for controls when added during runtime.

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