private void EnterData(ref StudentRecord student)
{
student.name = textBox1.Text;
student.id = textBox2.Text;
student.grade = double.Parse(textBox3.Text);
}
private void EnterData(out StudentRecord student)
{
student = new StudentRecord(textBox1.Text,
textBox2.Text,
double.Parse(textBox3.Text));
}
