Radiobutton selection problem in update panel
<p>I have a gridview inside an updatepanel. It has a TemplateField column with radiobutton:</p>

<pre><code>&lt;asp:GridView ID="gridView_stLists" runat="server" AutoGenerateColumns="False" CellPadding="3"
                                                    BorderStyle="NotSet" CssClass="table_layout" Width="500"&gt;
                                                    &lt;RowStyle CssClass="table_body" /&gt;
                                                    &lt;Columns&gt;
                                                        &lt;asp:TemplateField HeaderStyle-Width="20"&gt;
                                                            &lt;ItemTemplate&gt;
                                                                &lt;asp:RadioButton ID="rdBtn_stdl" runat="server" 
                                                                    oncheckedchanged="rdBtn_stdl_CheckedChanged" AutoPostBack="True" 
                                                                    GroupName="stdl" value='&lt;%# Eval("uri") %&gt;'/&gt;
                                                            &lt;/ItemTemplate&gt;
                                                            &lt;HeaderStyle Width="20px" /&gt;
                                                        &lt;/asp:TemplateField&gt;
</code></pre>

<p>And i have the eventhandler for CheckedChanged. 
<strong>My problem is</strong>, firstly, with autopostback true, when I select radio in grid, selection disapears. Secondly, with autopostback true or false, the eventhandler is not fired. Could you please help in this situation</p>
