I hope this can help someone or if someone has a better way of validating a checkboxlist on the client side I'd like to see how I could do it.
Create a textbox that you will use as the control to validate for the custom validator. The textbox will contain the string value of the checkbox list controls that you will cycle through to determine if your validation will succeed or fail.
<script type="text/javascript" language="javascript">
function CheckPage(oSrc, args) {
var iBox = 0; // our collection index
var Go to the complete details ...