private void button1_Click(object sender, EventArgs e)
{
Cal cal= new Cal();
//采集数据
cal.Number1 = Convert.ToInt32(txtNumber1.Text.Trim());
cal.Number2 = Convert.ToInt32(txtNumber2.Text.Trim());
if (cboCaozuoFu.SelectedIndex == 0)
{
MessageBox.Show("请选择一个操作符后再执行计算！");
}
else
{
lblResult.Text = cal.JiSuan(result.Text).ToString();
}
}
private void button1_Click(object sender, EventArgs e)
{
Cal cal = new Cal();
//采集数据
cal.Number1 = Convert.ToInt32(txtNumber1.Text.Trim());
cal.Number2 = int.Parse(txtNumber2.Text.Trim());
if (cboCaozuoFu.SelectedIndex == 0)
{
MessageBox.Show("请选择一个操作符后再执行计算！");
}
else
{
lblResult.Text = cal.JiSuan(cboCaozuoFu.Text).ToString();
}
}