private void InitView() { MY_COURSES_LISTVIEW.Items.Clear(); AVAIL_COURSES_CB.Items.Clear(); Student s = StudentTable.SelectOne(idStudent); Collection <ZapsanyKurz> signedCourses = ZapsanyKurzTable.SelectCoursesByIdStudent(idStudent); Collection <Kurz> activeCourses = KurzTable.SelectByStudentAndOngoing(idStudent.ToString()); foreach (var c in activeCourses) { AVAIL_COURSES_CB.Items.Add(c.Nazev); } if (signedCourses.Count > 0) { ZapsanyKurz firstCourse = signedCourses[0]; foreach (var c in signedCourses) { ListViewItem i = new ListViewItem(c.IdRegistrace.ToString()); i.SubItems.Add(c.Kurz.Nazev); MY_COURSES_LISTVIEW.Items.Add(i); } InitCourse(firstCourse); } }