<asp:panel id="UserLoginPanel" runat="server" DefaultButton="btnLogin">
   <div id="UserLogin" runat="server">
      <asp:Label ID="lblLoginFailMsg" runat="server"></asp:Label>

      <table cellspacing="5px" cellpadding="5" style="border:1px solid black">
      <tr>
         <td>
            Email Address:
         </td>
         <td>
            <asp:TextBox ID="txtEmailId" runat="server" mode="Text" Columns="40" MaxLength="50" TextMode="SingleLine"></asp:TextBox>
         </td>
      </tr>
      <tr>
         <td>
            Password:
         </td>
         <td>
            <asp:TextBox ID="txtPwd" runat="server" Columns="40" MaxLength="50" TextMode="Password"></asp:TextBox>
         </td>
      </tr>
      <tr>
         <td colspan="2">
            <asp:Button ID="btnLogin" runat="server" Text="Login" Width="85px" onclick="btnLogin_Click" />&nbsp;&nbsp;
            <a href="register.aspx">Register?</a>
         </td>
      </tr>
      </table>
   </div>
</asp:panel>