/// <summary>
/// 50
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn1_Click(object sender, EventArgs e)
{
int number = Convert.ToInt32(btn1.Text);
number = 50;
//返回用户当前总余额
int usernum = bankbll.Withdrawal(sum(), number);
if (usernum >= 0)
{
int SumNumber = usernum - number;
if (SumNumber < 0)
{
MessageBox.Show("取款失败，卡内余额不足！");
}
else
{
bool usernumber = bankbll.Withdrawals(sum(), SumNumber);
if (usernumber == true)
{
//1、用户表记录
string time = DateTime.Now.ToString();
//2、如果操作成功则在记录表中记录当前卡号的操作
RecordingInfo recordingInfo = new RecordingInfo();
recordingInfo.Timet = time;
recordingInfo.Details = "取款" + number.ToString() + "金额";
recordingInfo.Card_Number = sum().ToString();
bool record = recordingbll.WithdrawalRecord(recordingInfo);
MessageBox.Show("取款:" + number.ToString() + "取款时间：" + time + "成功");
}
}
}
}