Hi, 
Below shown is my gridview template column where i used html radio button control but my issue is during the post back(below button click) it is not retaining its checked status can any one help me on this.
<asp:TemplateField HeaderText=""><ItemStyle VerticalAlign="Middle" HorizontalAlign="Center" /><HeaderStyle Font-Bold="true" />
<ItemTemplate>
      
  <input type="radio" name="rdGeneric" value="<%# Eval("Id")%>" enableviewstate="true" />
       
</ItemTemplate>
                <HeaderStyle Width="15px" />
    
 </asp:TemplateField>
<asp:Button ID="btnManageGenComments" runat="server" Text="Manage Comments" 
        onclick="btnManageGenComments_Click"/><asp:Button ID="btnManageGenComments" runat="server" Text="Manage Comments" 
        onclick="btnManageGenComments_Click"/>