static void Main(string[] args) { string connString = @"Data Source = (localdb)\mssqllocaldb; Initial Catalog = DBPenjualanCAT; Integrated Security = True;"; try { using (var dao = new SupplierDAO(connString)) { var listData = dao.GetAllDataSupplier(); if (listData?.Count > 0) { listData.ForEach( item => Console.WriteLine($"{item.Kode,-10}{item.Nama}{item.Kota}{item.DataBarang}")); } } } catch (Exception ex) { Console.WriteLine($"Error : {ex.Message}"); Console.ReadKey(); } }