public static void Insert()
{
Bill bill = new Bill(5, DateTime.Parse("8-Dec-15"), 450.0, 400, 3);
BillDAL.Insert(bill);
Console.WriteLine("Inserted");
}
/// <summary>
/// 插入
/// </summary>
/// <param name="bm"></param>
public void Insert(BillMOD bm)
{
bd.Insert(bm);
}