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    <p>Why not use a custom validation method ? Something like this:</p> <p><strong>jQuery:</strong></p> <pre><code>// The custom validation method, returns FALSE (invalid) if there are // no checkboxes (with a .one_required class) checked $.validator.addMethod("one_required", function() { return $("#myform").find(".one_required:checked").length &gt; 0; }, 'Please select at least one vehicle.'); $("#myform").validate({ // Use the built-in errorPlacement function to place the error message // outside the table holding the checkboxes if they are the ones that // didn't validate, otherwise use the default placement. errorPlacement: function(error, element) { if ($(element).hasClass("one_required")) { error.insertAfter($(element).closest("table")); } else { error.insertAfter(element); } } }); </code></pre> <p><strong>HTML:</strong> </p> <pre><code>&lt;form id="myform"&gt; &lt;!-- table, rows, etc --&gt; &lt;td align="center"&gt;&lt;input type="checkbox" class="one_required" name="selectItems[]" value="NA245852" /&gt;&lt;/td&gt; &lt;td&gt;NA245852&lt;/td&gt; &lt;!-- more rows, end table, etc --&gt; &lt;br/&gt; &lt;input type="submit" value="Go, baby !"&gt; &lt;/form&gt; </code></pre> <p>Since the jQuery Validate plugin can also validate an element if the method name is present as a <code>class</code>, simply output the <code>.one_required</code> class on all checkboxes.</p> <p>See a <a href="http://jsfiddle.net/8L5C2/" rel="noreferrer">working demo on JSFiddle</a> with multiple checkboxes.</p> <p><strong>EDIT:</strong></p> <p><a href="http://jsfiddle.net/Z8hWg/35/" rel="noreferrer">Here</a>'s your own code with the above solution implemented.</p> <p>Hope this helps !</p>
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    1. COI don't know how to thank you , FreekOne and Cybernate, you both have been so supportive :D
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    2. CO@eddy - Glad to be of help ! :)
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