final StringBuilder ects = new StringBuilder();
ects.append(enrolment.getCurricularCourse().getEctsCredits()).append(" ")
.append(BundleUtil.getString(Bundle.ACADEMIC, "credits.abbreviation"));
ectsCell.setBody(new HtmlText(ects.toString()));
MetaObject enrolmentMetaObject = MetaObjectFactory.createObject(enrolment, new Schema(Enrolment.class));
HtmlCheckBox checkBox = new HtmlCheckBox(true);
checkBox.setName("enrolmentCheckBox" + enrolment.getExternalId());
checkBox.setUserValue(enrolmentMetaObject.getKey().toString());
enrollmentsController.addCheckBox(checkBox);
HtmlTableCell cellCheckBox = htmlTableRow.createCell();
cellCheckBox.setClasses(getEnrolmentCheckBoxClasses());
cellCheckBox.setBody(checkBox);