asp.net button 提交数据

private void button1_Click(object sender, EventArgs e)
{
int a, b, jiami;
a = Convert.ToInt32(textBox1.Text);
b = Convert.ToInt32(textBox2.Text);
jiami = a ^ b;
textBox3.Text = jiami.ToString();
}

private void button2_Click(object sender, EventArgs e)
{
int a, b, jiami;
b = Convert.ToInt32(textBox2.Text);
jiami = Convert.ToInt32(textBox3.Text);
a = b ^ jiami;
textBox4.Text =a. ToString();