//修改车辆停放收费，占车位等信息
private void button1_Click(object sender, EventArgs e)
{
//获取车辆的类型
string type = comboBox1.SelectedItem.ToString();
int needPosition = Convert.ToInt32(txtPosition.Text);
int startMoney = Convert.ToInt32(txtFee.Text);
CarType carType = new CarType();
int n = carType.UpdateByType(type, needPosition, startMoney);
if (n < 0)
{
MessageBox.Show("修改失败");
}
else
{
MessageBox.Show("修改成功");
this.Close();
}
}