array(0) {
}
<br />
<b>Warning</b>:  Undefined array key "recordid" in <b>/home/easontan/public_html/acad276/Schedule_edit_update/update_page.php</b> on line <b>11</b><br />
update page<br><br />
<b>Warning</b>:  Undefined array key "recordid" in <b>/home/easontan/public_html/acad276/Schedule_edit_update/update_page.php</b> on line <b>13</b><br />
<br />
<b>Warning</b>:  Undefined array key "classname" in <b>/home/easontan/public_html/acad276/Schedule_edit_update/update_page.php</b> on line <b>14</b><br />
<br />
<b>Warning</b>:  Undefined array key "classrooms" in <b>/home/easontan/public_html/acad276/Schedule_edit_update/update_page.php</b> on line <b>15</b><br />
<br />
<b>Warning</b>:  Undefined array key "classtypes" in <b>/home/easontan/public_html/acad276/Schedule_edit_update/update_page.php</b> on line <b>16</b><br />

<br><br><br><br>SQL error: 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 '
            mainschedule_location = ,
            mainschedule_type = 
        ' at line 3