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POGenerate id for row in JSF datatable
 

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    <p>I am trying to achieve the expand/contract functionality of table rows in JSF using core faces implementation. As answered in one of my earlier thread this is not straight forward to achieve in core faces implementation. So, I thought of using HTML + jQuery to achieve the functionality. I am calling the row with +/- gif as parent row and the rows that are to be expanded and contracted are its child rows. To make parent row aware of which child it needs to show or hide, I am making use of jquery and assigning row id to each <code>&lt;tr&gt;</code>. If the parent <code>row-id="row1234"</code>, then the child row will have <code>row-id="row1234-child"</code>. </p> <p>Below is the Jquery Script and HTML code:</p> <pre><code> &lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"&gt; &lt;html&gt; &lt;head&gt; &lt;script src="jquery.js"&gt;&lt;/script&gt; &lt;script&gt; $(document).ready(function(){ $('.expand').click(function() { if( $(this).hasClass('.hidden') ) { $(this).attr("src", "plus.gif"); } else { $(this).attr("src", "subtract1.gif"); } $(this).toggleClass('hidden'); $(this).parent().parent().siblings('#'+$(this).parent().parent().attr('id')+'-child').toggle(); }); }); &lt;/script&gt; &lt;style&gt; .hover {background-color:#00f; color: #fff;} &lt;/style&gt; &lt;/head&gt; &lt;body&gt; &lt;table border="1" cellspacing="0" cellpadding="0"&gt; &lt;thead&gt; &lt;tr&gt;&lt;th&gt;Rolling &lt;/th&gt;&lt;th&gt;transaction&lt;/th&gt;&lt;/tr&gt; &lt;/thead&gt; &lt;tbody&gt; &lt;TR class="parent" id="row123" style="cursor: pointer; " title="Click to expand/collapse"&gt; &lt;TD&gt;123&lt;/TD&gt; &lt;TD colspan="2"&gt;&lt;img class="expand" src="plus.gif"/&gt;ABC&lt;/TD&gt; &lt;TD&gt;100&lt;/TD&gt; &lt;/TR&gt; &lt;TR ID="row123-child" style="display: none; "&gt; &lt;TD&gt;&amp;nbsp;&lt;/TD&gt; &lt;TD&gt;2007-01-02&lt;/TD&gt; &lt;TD&gt;A short description&lt;/TD&gt; &lt;TD&gt;15&lt;/TD&gt; &lt;/TR&gt; &lt;TR ID="row123-child" style="display: none; "&gt; &lt;TD&gt;&amp;nbsp;&lt;/TD&gt; &lt;TD&gt;2007-02-03&lt;/TD&gt; &lt;TD&gt;Another description&lt;/TD&gt; &lt;TD&gt;45&lt;/TD&gt; &lt;/TR&gt; &lt;TR ID="row123-child" style="display: none; "&gt; &lt;TD&gt;&amp;nbsp;&lt;/TD&gt; &lt;TD&gt;2007-03-04&lt;/TD&gt; &lt;TD&gt;More Stuff&lt;/TD&gt; &lt;TD&gt;40&lt;/TD&gt; &lt;/TR&gt; &lt;TR class="parent" id="row2345" style="cursor: pointer; " title="Click to expand/collapse"&gt; &lt;TD&gt;234&lt;/TD&gt; &lt;TD colspan="2"&gt;&lt;img class="expand" src="plus.gif"/&gt;DEF&lt;/TD&gt; &lt;TD&gt;100&lt;/TD&gt; &lt;/TR&gt; &lt;TR ID="row2345-child" style="display: none; "&gt; &lt;TD&gt;&amp;nbsp;&lt;/TD&gt; &lt;TD&gt;2007-01-02&lt;/TD&gt; &lt;TD&gt;A short description&lt;/TD&gt; &lt;TD&gt;15&lt;/TD&gt; &lt;/TR&gt; &lt;TR ID="row2345-child" style="display: none; "&gt; &lt;TD&gt;&amp;nbsp;&lt;/TD&gt; &lt;TD&gt;2007-02-03&lt;/TD&gt; &lt;TD&gt;Another description&lt;/TD&gt; &lt;TD&gt;45&lt;/TD&gt; &lt;/TR&gt; &lt;TR ID="row2345-child" style="display: none; "&gt; &lt;TD&gt;&amp;nbsp;&lt;/TD&gt; &lt;TD&gt;2007-03-04&lt;/TD&gt; &lt;TD&gt;More Stuff&lt;/TD&gt; &lt;TD&gt;40&lt;/TD&gt; &lt;/TR&gt; &lt;TR class="parent" id="row3456" style="cursor: pointer; " title="Click to expand/collapse"&gt; &lt;TD&gt;345&lt;/TD&gt; &lt;TD colspan="2"&gt;HIJ&lt;/TD&gt; &lt;TD&gt;100&lt;/TD&gt; &lt;/TR&gt; &lt;/tbody&gt; &lt;/table&gt; &lt;/body &lt;/html&gt; </code></pre> <p>So, I was wondering whether I can generate row id for datatable or if there is a better solution for it.</p>
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    1. COBig question: what do you need it for? As you're attempting to generate it at the client side, you apparently only need it at the client side. There are certainly better client-side ways to solve the problem for which you *thought* that *this* was *the* solution. In short: just elaborate the functional requirement instead of asking how to achieve a solution (which may not be the right solution after all).
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    2. COBTW: to format code, select the code and press the `010101` button in editor toolbar or `Ctrl+K`. Please also try to not mix tabs/spaces and try to indent **consistently** (e.g. 4 or 2 spaces). In decent IDE's/editors you can configure this in the settings.
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    3. CO@Nrusingha - note that, by the HTML specification, element IDs must be unique - http://www.w3.org/TR/html4/struct/global.html#h-7.5.2
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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