private void UpdateViews() { Students.Items.Clear(); DabtorsData.Rows.Clear(); var dabtors = info.GetDebtorsList(); foreach (StudentInfo student in dabtors) { DabtorsData.Rows.Add(student.ID, student.Group, student.Surname, student.NoAttistation); Students.Items.Add(student.Surname); } table.Create(info.GetDebtorsList()); }