public MainWindowLogic() { analyzeECG = new AnalyzeECG(); patientList = new List <PatientModel>(); aECGList = new List <AnalyzedECGModel>(); DB = new TestDB(); DOEDB = new DOEDB(); patientList = DB.GetAllPatients(); aECGList = DB.GetAllAnalyzedECGs(); }