使用Button去更改获取相关参数

private void Shiqu_Button_Click(object sender, EventArgs e)
{
if (this.listView1.FocusedItem != null)//这个if必须的，不然会得到值但会报错
{

//TestTextBox.Text = listView1.FocusedItem.SubItems[1].Text;
listView1.FocusedItem.SubItems[1].Text = “111”;
}
}