private static void ListAllSupplier() { try { List <Supplier> supplierList = SupplierBL.GetAllSupplierBL(); if (supplierList != null) { Console.WriteLine("******************************************************************************"); Console.WriteLine("Supplier ID\t\tSupplier Name\t\tPhoneNumber"); Console.WriteLine("******************************************************************************"); foreach (Supplier supplier in supplierList) { Console.WriteLine("{0}\t\t{1}\t\t{2}", supplier.SupplierId, supplier.SupplierName, supplier.SupplierPhone); } Console.WriteLine("******************************************************************************"); } else { Console.WriteLine("No Details Available"); } } catch (InventoryException ex) { Console.WriteLine(ex.Message); } }