private void btPupil_Click(object sender, EventArgs e)
{
Button bt = (Button)sender;
if (tbName.Text == "" || tbAge.Text == "" || tbChinese.Text == "" || tbMath.Text == "")
{
MessageBox.Show("不能为空！", "警告", MessageBoxButtons.OK);
}
else
{
if (bt.Text == "中学生")
{
if (tbEnglish.Text == "")
{
MessageBox.Show("英语不能为空！", "警告", MessageBoxButtons.OK);
return;
}
}
string name = tbName.Text;
int age = Convert.ToInt32(tbAge.Text);
double chinese = Convert.ToDouble(tbChinese.Text);
double math = Convert.ToDouble(tbMath.Text);
if (age > 0 && age <= 150 && chinese >= 0 && chinese <= 100 && math >= 0 && math <= 100)
{
if (bt.Text == "中学生")
{
double english = Convert.ToDouble(tbEnglish.Text);
Middle middle = new Middle(name, age, chinese, math, english);
tbManifest.Text += string.Format("总人数：{0}，姓名：{1}，中学生，平均成绩为：{2}{3}",
Middle.number, middle.Name, middle.Average(), System.Environment.NewLine);
}
else
{
Pupil pupil = new Pupil(name, age, chinese, math);
tbManifest.Text += string.Format("总人数：{0}，姓名：{1}，{2}，平均成绩为：{3}{4}",
Pupil.number, pupil.Name, bt.Text, pupil.Average(), System.Environment.NewLine);
}
}
}
}
