$parts = explode('/', $_POST['popup_endDate']);
    $endDate = addslashes("{$parts['2']}-{$parts['1']}-{$parts['0']}");
    // change date format to yyyy-mm-dd(for mysql)
    //$secretCode = addslashes($_POST['popup_secretCode']);
    //$courseId = addslashes($_POST['popup_forCourse']);
    //$duration = addslashes($_POST['popup_duration']);
    //$examId = addslashes($_POST['popup_selectedExamId']);
    InstructorObject::UpdateExam(addslashes($_POST['popup_examName']), addslashes($_POST['popup_examTypeRadios']), addslashes($_POST['popup_forCourse']), $startDate, $endDate, addslashes($_POST['popup_duration']), addslashes($_POST['popup_secretCode']), addslashes($_POST['popup_selectedExamId']));
    //$completeSql = "UPDATE exam " . "SET examtype='$examType',examname='$examName',courseid='$courseId',StartDate='$startDate',EndDate='$endDate',Duration='$duration',secretcode='$secretCode' " .
    //      "WHERE examid='$examId';";
    //mysql_query($completeSql) or die (mysql_error());
    $_GLOBALS['message'] = "Edit completed successfully";
}
//$query = "SELECT exam.examid,examtype,examname,courseid,StartDate,EndDate,Duration,secretcode FROM exam,instructor_exam WHERE exam.examid=instructor_exam.examid AND UserId='".$currentUserId."'";
//$resultSet = mysql_query($query) or die (mysql_error());
$resultSet = InstructorObject::listExams($currentUserId);
$num_rows = mysql_num_rows($resultSet);
if ($num_rows > 0) {
    echo "<br><table id='myExamsTable' class='table-hover table-bordered table-striped table col-xs-offset-1' align='center' ><tr><th>Course Id</th><th>Exam Name</th>" . "<th>Exam Type</th><th>Start Date</th><th>End Date</th><th>Duration</th><th>Secret Code</th><th>Operation</th></tr>";
    $counter = 0;
    while ($result = mysql_fetch_array($resultSet)) {
        ?>
                   <tr class="col-xs-offset-1" align="left">
                        <td class="contact-name"><?php 
        echo $result['courseid'];
        ?>
</td>
                        <td id="examName" class="contact-firstname" value="<?php 
        echo $result['examname'];
        ?>
"><?php