Data Controls :: Group RadioButton Inside GridView ItemTemplate

There is a Gridview in my web page in which data is coming from below Table 1:

Id Name Value

1 aa 30
2 bb 80
3 cc 60

 HTML:

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" AllowPaging="True" PageSize="8" OnPageIndexChanging="GridView1_PageIndexChanging">
<Columns>
<asp:BoundField DataField="id" HeaderText="ID" />
<asp:BoundField DataField="Name" HeaderText="Name" />
<asp:BoundField DataField="" HeaderText="Value" />
</Columns>
</asp:GridView>
<asp:Button ID="BShow" runat="server" Text="Show Data" OnClick="BShow_Click" />

1) I want to use RadioButton inside Gridview to select rows of gridview.

I tried using ASP RadioButton, but it is multi selecting the Grid rows.I want single selection of RadioButton one at a time while selecting rows.