title: Add three numbers with textBox
body: <p>I have a textbox1 two and three. In textbox1 number zero, in two number one and in three number two and use this code</p>
  
  <pre><code>textBox4.Text = "" + 
    (int.Parse(textBox1.Text) + 
    (int.Parse(textBox2.Text + 
    (int.Parse(textBox3.Text)))));
  </code></pre>
  
  <p>but result is 012..you can have the entire amount, 3?</p>