Вы должны передать только jobseekerid
resumerviewer.php
echo "
<b>$jobseekerid
<b>$jobseekerfirstname $jobseekerlastname </b><br>
$jobseekeremail<br>
$jobseekeraddress<br>
$jobseekerphoneno<br>
<br><a href='resumeviewer.php?id=" . $jobseekerid . "'> Resume information</a></p>";
in resumerviewer.php
:
$run = mysql_query('SELECT * FROM `jobseekers` WHERE `jobseekerid`=' . intval($_GET['id']));
if(mysql_num_rows($run))
{
$row = mysql_fetch_assoc($run);
print_r($row);
}