GroupName of radiobutton doesn't work in gridview

Solution:

<asp:TemplateField HeaderText="Fake group">        <ItemTemplate>            <asp:RadioButton ID="MyRadioButton1" runat="server"                      GroupName="FakeGroup"  AutoPostBack="True" OnCheckedChanged="MyRadioButton1_CheckedChanged" />        </ItemTemplate></asp:TemplateField>

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Protected Sub MyRadioButton1_CheckedChanged_(ByVal sender As Object, ByVal e As System.EventArgs)        deselect_RB_in_gridview()        'deselect radiobutton1        'RadioButton1.Checked = False        'check the radiobutton which is checked        Dim SenderRB As RadioButton = sender        SenderRB.Checked = True        '--------------------------------------        'Reflect the event        '---------------------------------------        'fire_visible_window()    End Sub

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    Sub deselect_RB_in_gridview()        Dim gvr As GridViewRow        Dim i As Int32        'deselect all radiobutton in gridview        For Each gvr In GridView1.Rows            Dim rb As RadioButton            rb = CType(GridView1.Rows(i).FindControl("MyRadioButton1"), RadioButton)            rb.Checked = False            i += 1        Next    End Sub

Reference: http://www.codeproject.com/Articles/113506/Grouped-Radio-Buttons-in-Gridview