User1992938117 posted
Hi,
use template field for that and use label in edit template and make it bold
<asp:TemplateField HeaderText="Name">
<EditItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("Name") %>'
style="font-weight: 700"></asp:Label>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("Name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>