private void GetPatients() { patients.Clear(); patients = fachkonzept.GetPatients().ToList(); patientBindingSource.DataSource = patients; patientBindingSource.ResetBindings(false); // get matching illnesses to first patient Patient patient = patients.Count == 0 ? new Patient() : patients.First(); matchingIllnesses = fachkonzept.GetPatientIllnesses(patient).ToList(); matchingIllnessBindingSource.DataSource = matchingIllnesses; matchingIllnessBindingSource.ResetBindings(false); }