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    copied!<p>I have not much idea about your gsp page but I tried it on my side:</p> <p><strong>My gsp:</strong></p> <pre><code>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;resource:autoComplete skin="default"/&gt; &lt;script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; var counter = ${list.size()}; function asd() { jQuery.ajax({ url: " ${createLink(controller: 'oauthCallBack', action: 'testAuto')}", data: "idx=" + counter++, success: function (data) { jQuery("#tableId").append("&lt;tr&gt;&lt;td&gt;" + data + "&lt;/td&gt;&lt;/tr&gt;"); } }); } function updateHiddenInput(id, tg) { jQuery(tg).val(id); } &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;g:form&gt; &lt;table id="tableId"&gt; &lt;g:each in="${list}" var="vr" status="idx"&gt; &lt;tr&gt; &lt;td&gt; &lt;richui:autoComplete name="name" id="uniqueId${idx}" action="${createLinkTo('dir': 'oauthCallBack/test')}" onItemSelect="updateHiddenInput(id, someId${idx})"/&gt; &lt;g:hiddenField name="someName" id="someId${idx}" value=""/&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/g:each&gt; &lt;/table&gt; &lt;/g:form&gt; &lt;button onclick="asd()"&gt;Add&lt;/button&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p><strong>My action:</strong></p> <pre><code>def testAuto() { render template: 'addNew', model: [idx: params.idx] } </code></pre> <p><strong>My template(addNew):</strong></p> <pre><code>&lt;richui:autoComplete name="name" id="uniqueId${idx}" action="${createLinkTo('dir': 'oauthCallBack/test')}" onItemSelect="updateHiddenInput(id, someId${idx})"/&gt; &lt;g:hiddenField name="someName" id="someId${idx}" value=""/&gt; </code></pre> <p>Try this..,.</p> <hr> <hr> <p><strong>EDIT.....................................................................................</strong></p> <p>I supposed that you have successfully updated all the input field names. Then you can edit hidden field like:</p> <p><strong>View:</strong></p> <pre><code>&lt;tr class="dummyClass"&gt; &lt;td&gt; &lt;richui:autoComplete name="name[${idx}]" id="uniqueId[${idx}]" action="${createLinkTo('dir': 'oauthCallBack/test')}" onItemSelect="updateHiddenInput(id, this)"/&gt; &lt;g:hiddenField name="someName[${idx}]" id="someId[${idx}]" value=""/&gt; &lt;/td&gt; &lt;/tr&gt; </code></pre> <p><strong>jQuery:</strong></p> <pre><code>function updateHiddenInput(id, tg) { jQuery(tg._elTextbox).closest("tr.dummyClass").find("input[type=hidden]").val(id); } </code></pre> <hr> <hr> <p><strong>EDIT.....................................................................................</strong></p> <p>Why you need to change the 'id'? Changing name is sufficient to send values in order. And you can update the hidden field without id as above edit.</p> <p>If you still need to change the id then you can change it by cloning the tr and then use regex. See <a href="https://stackoverflow.com/questions/15608225/grails-richui-autocomplete-for-cloned-textbox/19937143#19937143">this answer</a> for full working example. </p>
 

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