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POPHP - I cannot update my database
 

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  1. POPHP - I cannot update my database
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    <p>Can anyone help me?</p> <p>It seems I cannot update my database using this code I made.</p> <p>I dont know wats wrong.</p> <p>I want to update the entire row of a specified ID while displaying the old data in a form.</p> <p>How do I correct this?</p> <pre><code>&lt;?php //upd_emp.php mysql_connect ("localhost", "root","") or die (mysql_error()); mysql_select_db ("emp_db0"); $id =$_POST['emp_idn']; $result = mysql_query("SELECT * FROM emp_tbl WHERE emp_id = '$id'"); $test = mysql_fetch_array($result); if (!$result) { die("Error: Data not found.."); } $fname=$test['fname'] ; $mname= $test['mname'] ; $lname=$test['lname'] ; $email=$test['email'] ; if(isset($_POST['SAVE'])) { $f_save = $_POST['f_name']; $m_save = $_POST['m_name']; $l_save = $_POST['l_name']; $e_save = $_POST['e_mail']; mysql_query("UPDATE emp_tbl SET fname ='$f_save', mname ='$m_save', lname ='$l_save',email ='$e_save' WHERE emp_id = '$id'") or die(mysql_error()); echo "Saved!"; } ?&gt; &lt;form action = "upd_emp.php" method="post"&gt; First Name:&lt;input type="text" name="f_name" value="&lt;?php echo $fname ?&gt;"/&gt; Middle Initial:&lt;input type="text" name="m_name" value="&lt;?php echo $mname ?&gt;"/&gt; Last Name:&lt;td&gt;&lt;input type="text" name="l_name" value="&lt;?php echo $lname ?&gt;"/&gt; Email Add:&lt;input type="text" name="e_mail" value="&lt;?php echo $email ?&gt;"/&gt; &lt;input type="submit" name="save" value="SAVE" /&gt; &lt;/form&gt; This code here at top came from a form page after clicking the submit button "view.php" &lt;?php $id =$_POST['emp_idn']; ?&gt; </code></pre>
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    1. COchange `name="save"` to `name="SAVE"` - if(isset($_POST['SAVE']))
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    2. COHi, this need basic debugging first. What goes wrong where exactly? Use test outputs to find out. Also, you are not doing proper error checking - which you need for useful information on what goes wrong. http://php.net/mysql_error
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    3. COBy the way, your inputs are NOT safe. You need to protect your variables with a function like `mysql_real_escape_string` to prevent SQL injections.
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