private void ViewExcute() { StoreroomView storeroomViewPage = new StoreroomView(); var query = from c in _model.ProductsSet where c.ProductID > -1 select new { c.ProductID, c.Name, c.Model, c.Quantity, c.Rack }; var results = query.ToList(); storeroomViewPage.dataGrid1.ItemsSource = results; // TODO: MVVM navigation to change ((MainWindow)System.Windows.Application.Current.MainWindow).NavigationService.Navigate(storeroomViewPage); }