<html><body> <form runat="server"> <asp:Label id="lblMessage" runat="server" /><br> <asp:Panel id="Panel1" runat="server"> <table> <tr> <td> First and last name: </td> <td> <asp:TextBox id="tbFName" runat="server" /> <asp:TextBox id="tbLName" runat="server" /><br> <asp:RequiredFieldValidator runat="server" ControlToValidate="tbFName" ErrorMessage="First name required"/><br> <asp:RequiredFieldValidator runat="server" ControlToValidate="tbLName" ErrorMessage="Last name required"/><br> <asp:CompareValidator runat="server" ControlToValidate="tbFName" ControlToCompare="tbLName" Type="String" Operator="NotEqual" ErrorMessage="First and last name cannot be the same" /> </td> </tr> <tr> <td> <asp:Button id="Submit" runat="server" text="Add" /> </td> </tr> </table> </asp:Panel> </form> </body></html>