A PHP Error was encountered

Severity: Notice

Message: Undefined index: emp_no

Filename: controllers/Courses.php

Line Number: 255

Backtrace:

File: /home/aldaleel/public_html/application/controllers/Courses.php
Line: 255
Function: _error_handler

File: /home/aldaleel/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/aldaleel/public_html/application/controllers/Courses.php:246)

Filename: core/Common.php

Line Number: 564

Backtrace:

File: /home/aldaleel/public_html/application/models/Mdl_subj.php
Line: 118
Function: query

File: /home/aldaleel/public_html/application/controllers/Courses.php
Line: 256
Function: GetdBySQL

File: /home/aldaleel/public_html/index.php
Line: 315
Function: require_once

Database Error

A Database Error Occurred

Error Number: 1064

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 '' at line 1

select * from staff where emp_no=

Filename: models/Mdl_subj.php

Line Number: 118