i have code

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js" 
    <script type="text/javascript">

        $(function () {
            $('#<%= btnTest.ClientID %>').click(function () {

                var checkedControls = $('#<%= CheckBoxList1.ClientID %>').find('input:checkbox:checked');

                if (checkedControls.length > 0) {
                else {
                    alert('Please select atleast one checkbox');
                return false;
    <form id="form1" runat="server">
    <asp:CheckBoxList RepeatColumns="3" RepeatDirection="Horizontal" ID="CheckBoxList1"
        <asp:ListItem Value="1">Cutomer Broker</asp:ListItem>
        <asp:ListItem Value="2">N.V.O.C.C</asp:ListItem>
        <asp:ListItem Value="3">Hauloiers</asp:ListItem>
        <asp:ListItem Value="4">Air Freight</asp:ListItem>
        <asp:ListItem Value="5">Sea Freight</asp:ListItem>
        <asp:ListItem Value="6">Supply Chain Management</asp:ListItem>
        <asp:ListItem Value="7">Groupage Services</asp:ListItem>
        <asp:ListItem Value="8">Project Cargo</asp:ListItem>
        <asp:ListItem Value="9">Ware House Operator</asp:ListItem>
    <br />
    <asp:Button ID="btnTest" runat="server" Text="Test" />

this code check work fine ,but i have radio button (yes and no) on same .aspx page .if yes(0) and no (1).

i need to check if yes is selected (certain palceholder open that have some controls) i already did .but teh problem is i need to check yes is selected or not for radio buton.

please help me.any urgent reply is higly appreciaed

i handled most of the stuff now but the problem is how to find placeholder via jquery .

<div runat=server visible=false id="hotel_div" style="border:dotted 1px black;"> 
<asp:PlaceHolder ID="PlaceHolder3" runat="server" Visible=false > <Strong>Hotel Requirement</Strong> 
<asp:CheckBoxList ID="hotel_requirement_Types" RepeatColumns=3 RepeatDirection=Horizontal runat="server"> 
<asp:ListItem Text="Deluxe Platinum" Value=0></asp:ListItem> 
<asp:ListItem Text="Deluxe Gold" Value=1></asp:ListItem> 
<asp:ListItem Text="Deluxe Silver" Value=2></asp:ListItem> 
<asp:CheckBox ID="CheckBox2" Text="Single Room(s)" runat="server" /> 
<asp:CheckBox ID="CheckBox3" Text="Number of Rooms" runat="server" /> 
<br /> 
<asp:CheckBox ID="CheckBox4" Text="Double Room(s)" runat="server" /> 
<asp:CheckBox ID="CheckBox5" Text="Number of Rooms" runat="server" /> 


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