public async void LoadAccDocumentItems() { //await _reviewAccountsService.ApplyFilterOld(); ((ICommand)GLGroupedCommand).Execute(null); GroupStatus = GroupStatusEnum.All & ~GroupStatusEnum.DetailedGL; commandStack.Push(GLDetailedCommand); FinancialYears = new ObservableCollection <FinancialYear>(await _selectFinancialYearsService.GetFinancialYearsActiveAsync()); //AccDocumentHeaderFilter.FromDate = _appContextService.SelectedFinancialYear.StartDate; //AccDocumentHeaderFilter.ToDate = _appContextService.SelectedFinancialYear.EndDate; AccDocumentHeaderFilter. FromDate = _selectFinancialYearsService.GetFirstFinancialYear() ?? DateTime.Now; AccDocumentHeaderFilter. ToDate = _selectFinancialYearsService.GetLastFinancialYear() ?? DateTime.Now; OnGLGrouped(); }