CHAPTER 21 ADO.NET PART I: THE CONNECTED LAYER
// factory pattern for greater flexibility.
using System.Data;
using System.Data.SqlClient;
namespace AutoLotConnectedLayer
{
public class InventoryDAL
{
}
}
Note You might recall from Chapter 13 that when objects use types that manage raw resources (e.g., a
database connection), it is a good practice to implement IDisposable and author a proper finalizer. In a
productio