I am in the middle of trying to design a new web form containing several RadioButtonLists but I am having problems running the associated event code. The SelectedIndexChanged event does not appear to be working on any of them. I have the appropriate Handles settings in my VB.NET code, as shown in the sample below, and the markup for my RadioButtonLists includes AutoPostBack = "True".  
Can anyone suggest what might be going wrong?
David
<asp:RadioButtonList ID="RadioButtonList2" runat="server" AutoPostBack="True"> <asp:ListItem Value="1">Red</asp:ListItem> <asp:ListItem Value="2">Green</asp:ListItem> <asp:ListItem Value="3">Brown</asp:ListItem> <asp:ListItem Value="4">Blue</asp:ListItem> </asp:RadioButtonList>

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