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POPull data from Mysql Into Dropdown
 

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    <p>**UPDATED</p> <pre><code> &lt;?php // Get select box of courses to comment on $pID3 = filter_input(INPUT_GET, 'pID', FILTER_SANITIZE_NUMBER_INT); $username = "###"; $password = "###"; $pdo3 = new PDO('mysql:host=localhost;dbname=###', $username, $password); $pdo3-&gt;setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION ); $sth3 = $pdo3-&gt;prepare(' SELECT C.prefix, C.code FROM Department D, Course C WHERE D.dID = C.dID **AND pID = ?** '); $sth3-&gt;execute(array( $pID3 )); ?&gt; &lt;html&gt; &lt;?php echo "&lt;form action='inc/q/prof.php' method='post'&gt; &lt;select id='courseInfoDD' name='courseID' tabindex='1'&gt;"; ?&gt; &lt;?php while($row3 = $sth3-&gt;fetch(PDO::FETCH_ASSOC)) { echo "&lt;option&gt;".$row3['prefix'].", ".$row3['code']."&lt;/option&gt;"; } ?&gt; &lt;?php echo "&lt;/select&gt;"; ?&gt; &lt;/html&gt; </code></pre> <p>Okay, so right now its pulled all courses regardless of the pID or (Professor ID). I added a statement in the select saying where pID = ? , since the pID is in the url of the page. But now it throws and error about pID???</p> <p>Query: </p> <pre><code>SELECT C.prefix, C.code FROM Department D, Course C, Professor P WHERE pID = ? AND D.dID = C.dID AND D.dID = p.dID; </code></pre> <ul> <li><p>Phpmyadmin error</p> <p>: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? AND D.dID = C.dID AND D.dID = p.dID LIMIT 0, 30' at line 3</p></li> </ul> <p>Db Img: <a href="http://postimage.org/image/24gdqab8k/" rel="nofollow">http://postimage.org/image/24gdqab8k/</a></p> <p>and</p> <p><a href="http://postimage.org/image/24gfdtnqc/" rel="nofollow">http://postimage.org/image/24gfdtnqc/</a></p>
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    1. COpossible duplicate of [Get Users Comment From Mysql using Php](http://stackoverflow.com/questions/5605907/get-users-comment-from-mysql-using-php)
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    3. COWhat is the difference between "updated code" and "test.php"? Your question is kind of a mess :-(
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