I am using both IE9 and Firefox 7 on the popup edit they display differently. I have a required validation on some fields.
<telerik:GridTemplateColumn HeaderText="First Name" UniqueName="First_Name" AllowFiltering="False"> <EditItemTemplate> <telerik:RadTextBox ID="tbFirstName" runat="server" Text='<%# Bind("First_Name") %>'> </telerik:RadTextBox> <asp:RequiredFieldValidator ID="rfvFirstName" runat="server" ErrorMessage="(Required)" ControlToValidate="tbFirstName" ForeColor="Red"> </asp:RequiredFieldValidator> </EditItemTemplate> <ItemStyle HorizontalAlign="Left" /> <ItemTemplate> <asp:Label ID="lbFirstName" runat="server" Text='<%# Eval("First_Name", "{0}") %>' /> </ItemTemplate></telerik:GridTemplateColumn>