?> " rel="stylesheet"> </head> <body > <?php include 'header.php'; ?> <br> <br> <div class="container"> <form role="form" action="add_student.php" method="post"> <div class="form-group"> <label for="course_id" > Select Course : </label> <select class="form-control" name="course_id" id="course_id"> <?php $CoursesController->list_courses(); ?> </select> </div> <div class="form-group" > <label for="user_type" > Select User Type: </label> <select class="form-control" name="user_type" id="user_type" > <?php $UsersCoursesController->list_user_types(); ?> </select> </div> <div class="form-group">