private void button3_Click(object sender, EventArgs e)
{ if(listView1.SelectedItems.Count>0)
{
string x = listView1.SelectedItems[0].Text;
supdate f = new supdate(this,x); //this是当前窗体,就是主窗体
f.Show();
}
}
private Score Y;
private string X;
public supdate(Score y,string x)
{
InitializeComponent();
X = x;
Y = y;
}
private void button1_Click(object sender, EventArgs e)
{
sbianliang y = new sbianliang();
y.Sno = textBox1.Text;
y.Cno = textBox2.Text;
y.Degree= textBox3.Text;
new smethod().Update(y);
Y.chaxun();//在修改窗体里调用了主窗体的chaxun函数,如果不将窗体传过来,就没法调用
MessageBox.Show("修改成功");
}
![](https://images0.cnblogs.com/blog2015/746708/201506/082240105045278.png)