protected void Page_Load(object sender, EventArgs e)
{
AccountEvent accountEvent = new AccountEvent("03401", "李明", 200);
accountEvent.Overdraw += new EventHandler(account_Overdraw);
accountEvent.Acquire(400);
}
protected void Page_Load(object sender, EventArgs e)
{
AccountEvent account = new AccountEvent("3113002319", "李代福", 200);
account.Overdraw += new EventHandler(account_Overdraw);
account.Acquire(300);
}