private void markStudentEnroll() {
		if (currentCourse != null) {
			List<CourseEnrollment> erlList = new ArrayList<CourseEnrollment>();
			enrollManager.getCourseEnrollment(erlList);
			for (int i = 0; i < studentTable.getRowCount(); i++) {
				String stdID = (String) studentTable.getValueAt(i, 1);
				String clsNum = currentCourse.getClassNumber();
				boolean stdEnrolled = false;
				for (CourseEnrollment erl: erlList) {					
					if (erl.getErlStudent().getStudentID().equalsIgnoreCase(stdID)
							&& erl.getErlClass().getClassNumber().equalsIgnoreCase(clsNum)) {
						stdEnrolled = true;
						break;
					}
				}
				if (stdEnrolled) {
					studentTable.setValueAt(new Boolean(true), i, 0);
				}
				else {
					studentTable.setValueAt(new Boolean(false), i, 0);
				}
			}			
		}
	}