I am using the following loginview control for umbraco cms. when i fill in the username and password and hit enter i get validation messages from other controls on the page, despite setting validation groups on the other controls. i cant seem to set a validation group on this login view control. there is no property to do so. So i cant seem to ensure validation on this control only :( 

<asp:LoginView ID="UmbracoLoginView" runat="server">
    <AnonymousTemplate>
      <h2 style="margin-bottom:0px; padding-bottom:0px;">SIGN INTO MY COLOUR CLUB</h2>
       <div id="loginErrorMessage" style="display:none;color:red;">The username and password you entered is incorrect</div>
        <asp:Login ID="Login1" runat="server" RememberMeText="Remember me next time." InstructionText="Sign in using your email address and password" LabelStyle-HorizontalAlign="Left" CssClass="LogInControlBox"  UserNameLabelText="EMAIL" PasswordLabelText="PASSWORD" TitleText="" OnLoggedIn="CollectionUser_LoggedIn" OnLoginError="CollectionUser_LoginError" ValidatorTextStyle-CssClass="validatorTextStyle" TextBoxStyle-CssClass="textBoxStyle"></asp:Login>
        <div class="fpclick" onclick="$('.fpshow').show(); $('.fpclick').hide();">forgotten Password</div>
        <div class="fpshow" style="display:none;">
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <asp:Button ID="ForgottenPassword" runat="server" CssClass="forgottenPass" 
            Text="Forgotten Password" onclick="ForgottenPassword_Click" />
            <br /><asp:Label ID="lblMessage" ForeColor="Red"
                runat="server" Text=""></asp:Label>
        </div>
    </AnonymousTemplate>
  
    <LoggedInTemplate>
        <span class="welcome">
         Welcome
            <asp:LoginName ID="LoginName1" runat="server" />
     </span>
        <asp:LoginStatus ID="LoginStatus1" runat="server" />
      <div class="clear"></div>
    </LoggedInTemplate>
    
</asp:LoginView>