private void ShowData() { this.lblNumEmployee.Text = EmployeeController.NumEmployee(); this.lblNumCustomer.Text = CustomerController.NumCustomer(); this.lblNumProvider.Text = ProviderController.NumProvider(); this.lblNumCategory.Text = CategoryController.NumCategory(); this.dataListStock.DataSource = ItemController.LowStockItems(); this.dataListLastSales.DataSource = SaleController.ShowLastSales(); this.dataListTopEmp.DataSource = EmployeeController.ShowTopEmployee(); }