I'm currently using a GridView and during the RowDataBound event, I am
populated a radio list within the row.  The problem is, when I click a
button on the bottom of the page, I am able to grab the
RadioButtonList from the GridView; however, it is not retaining the
users selection.  It either retains -1 (no selection), or whatever I
set it to during the RowDataBound event.

Does anybody know how to get around this?

Thanks!!

Code:
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<asp:GridView ID="GridView1" OnRowDataBound="GridView1_RowDataBound"
runat="server" AutoGenerateColumns="false" AllowPaging="true"
DataSourceID="AccessDataSource1" DataKeyNames="ID" Width="100%"
PageSize="1" BorderStyle="None" BorderWidth="0px">
                       <Columns>
                           <asp:TemplateField>
                               <HeaderTemplate></HeaderTemplate>
                               <ItemTemplate>
                                   <table width="100%">
                                       <tr>
                                           <td><h3>Question <%#
GridView1.PageIndex+1 %>: <%# Eval("Question") %></h3></td>
                                       </tr>
                                       <tr>
                                           <td>
                                               <asp:RadioButtonList
ID="RBLAnswerList" runat="server" >
                                               </asp:RadioButtonList>
                                           </td>
                                       </tr>

                                   </table>
                               </ItemTemplate>
                               <FooterTemplate></FooterTemplate>
                           </asp:TemplateField>
                       </Columns>
                       <PagerSettings Visible="False" />
                   </asp:GridView>

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   protected void GridView1_RowDataBound(object sender,
GridViewRowEventArgs e)
   {
       // Set session variables for this question
       if (e.Row.RowType == DataControlRowType.DataRow)
       {
           Session.Add("CurrentQuestionID",
(int)DataBinder.Eval(e.Row.DataItem, "ID"));
           Session.Add("CurrentQuestionCorrectAnswer",
(int)DataBinder.Eval(e.Row.DataItem, "CorrectAnswer"));

           ArrayList answers =
FormatAnswers(DataBinder.Eval(e.Row.DataItem, "answers"));

           RadioButtonList radio =
(RadioButtonList)e.Row.FindControl("RBLAnswerList");

           radio.DataSource = answers;
           radio.DataBind();
       }
   }

   protected void NextButton_Click(object sender, EventArgs e)
   {

       RadioButtonList rbl =
(RadioButtonList)GridView1.Rows[0].FindControl("RBLAnswerList");

       Answer ans = new Answer((int)Session["CurrentQuestionID"],

(int)Session["CurrentQuestionCorrectAnswer"],
                               rbl.SelectedIndex);

       ArrayList al = (ArrayList)Session["QuizAnswerList"];
       al.Add(ans);

       Session.Add("QuizAnswerList", al);

       if (GridView1.PageIndex == GridView1.PageCount - 1)
       {
           Response.Redirect("Results.aspx");
       }
       else
       {
           GridView1.PageIndex++;
       }

       if (GridView1.PageIndex == GridView1.PageCount - 1)
               NextButton.Text = "Finished";
   }
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