public DatenbankArgs getKurse(int L_ID) { try { return(new DatenbankArgs(kta.GetDataBy(L_ID))); } catch (Exception ex) { return(new DatenbankArgs(ex.Message)); } }
public DatenbankArgs getByLehrer(int L_ID) { try { DataTable data = kta.GetDataBy(L_ID); if (data.Rows.Count == 0) { throw new Exception("Keine Kurse vorhanden."); } return(new DatenbankArgs(data)); } catch (Exception ex) { return(new DatenbankArgs(ex.Message)); } }