public AuditViewModel() { _magicDatabase = MagicDatabaseManager.ReadOnly; _allAudit = _magicDatabase.GetAllAudits().ToArray(); Display.Title = "Audit"; Display.OkCommandLabel = "Load"; Display.CancelCommandLabel = "Close"; MinDate = DateTime.UtcNow.Date.AddDays(-1); MaxDate = DateTime.UtcNow.Date; AuditInfos = new RangeObservableCollection <AuditInfo>(); }