Bind Value As

<asp:TemplateField HeaderText="Edit"><ItemTemplate>
<asp:HyperLink id="hypGroup" runat="server" ImageUrl="~/Images/Edit.png" ToolTip="Edit" NavigateUrl='<%# Eval("ProductGroupId","ProductGroup.aspx?GroupId={0}") %>' __designer:wfdid="w32"></asp:HyperLink>
</ItemTemplate>

<HeaderStyle HorizontalAlign="Center"></HeaderStyle>

<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:TemplateField>
<asp:TemplateField HeaderText="Delete"><ItemTemplate>
<asp:ImageButton id="imgBtnDeleteGroup" onclick="imgBtnDeleteGroup_Click" runat="server" OnClientClick="javascript:return confirm('Continue with delete?');" ImageUrl="~/Images/Delete.png" ToolTip="Delete" __designer:wfdid="w31" CommandArgument='<%# Eval("ProductGroupId") %>'></asp:ImageButton>
</ItemTemplate>

<HeaderStyle HorizontalAlign="Center"></HeaderStyle>

<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:TemplateField>