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POAjax concatenate select and total record query
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  1. POAjax concatenate select and total record query
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    copied!<p>I've a php page where there is a ajax concatenate select and a div with the total number of records in the table tb1</p> <p>HTML</p> <pre><code>&lt;p&gt; &lt;select name="model" id="model"&gt; &lt;?php echo $myclass-&gt;selModel(); ?&gt; &lt;/select&gt; &lt;/p&gt; &lt;br /&gt; &lt;p&gt; &lt;select name="year" id="year"&gt; &lt;option value=""&gt;&amp;nbsp;&lt;/option&gt; &lt;/select&gt; &lt;/p&gt; &lt;p&gt; &lt;div id="total"&gt;&lt;?php echo $myclass-&gt;recordNum();?&gt;&lt;/div&gt; &lt;/p&gt; </code></pre> <p>JS</p> <pre><code>// VARS var wait = '&lt;option&gt;Waiting&lt;/option&gt;'; var select = '&lt;option value=""&gt;Select&lt;/option&gt;'; // CAT_1 // $("select#model").change(function(){ var model = $("select#model option:selected").prop("value"); $("select#year").html(wait); $.post("ajax-php/select-concat.php", {model:model}, function(data){ switch (data) { case select: $("select#year").html(""); return false; default: $("select#year").prop("disabled", false); $("select#year").html(data); return false; } }); }); </code></pre> <p>PHP - select-concat.php</p> <pre><code>if(isset($_POST['model'])) { echo $myclass-&gt;selYear(); die; } </code></pre> <p>MY PHP CLASS</p> <pre><code>public function selYear() { $result = $this-&gt;db-&gt;mysqli-&gt;query ("SELECT year FROM tb1 WHERE model='$_POST[model]"); $year = '&lt;option value=""&gt;Select&lt;/option&gt;'; while($row = $result-&gt;fetch_assoc()) { $year .= '&lt;option value="' . $row['year'] . '"'; $year .= '&gt;' . $row['year'] . '&lt;/option&gt;'; } return $year; } private function recordNum(){ $result = $this-&gt;db-&gt;mysqli-&gt;query ("SELECT * FROM tb1 WHERE something "); $numrec = $result-&gt;num_rows; return $numrec; } </code></pre> <p>My goal is to update the number of records with ajax every time I run a concatenate select. How could I do that? Thanks</p>
 

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