CSharp: How to goto next tab by pressing a button

Question

What would be the algorithm to make it so upon pressing a button inside the first tab of a tab control so that you get switched to second tab.

Answer 1

    private void button1_Click(object sender, EventArgs e) {
        tabControl1.SelectedIndex = 1;
    }

Answer 2

this.tabControl1.SelectedTab = tabPage2/*needed tab*/;