title: How to add subitem after subitem in listview?
body: <p>i need some help. I'm working on application in C# which has 2 ListViews, 2 Buttons and 4 TextBoxes. First button is adding text from textbox1 and textbox2 to listview1 as item and its subitem. It's also adding that in listview2. Button 2 should add more subitems (from textbox3 and textbox4) in listview2, but i don't know how to do that. This is my code for button1:</p>
  
  <pre><code>private void button1_Click(object sender, EventArgs e)
  {
      string s1, s2;
      s1 = textBox1.Text;
      s2 = textBox2.Text;
      if(textBox1.Text!="" &amp;&amp; textBox2.Text!="")
      {
          string[] items = { s1, s2 };
          ListViewItem row = new ListViewItem(items);
          listView1.Items.Add(row);
          string[] items2 = { s1, s2 };
          ListViewItem row2 = new ListViewItem(items2);
          listView2.Items.Add(row2);
          textBox1.Text = textBox2.Text = "";
      }
      else
      {
          MessageBox.Show("Enter all data!", "Error");
      }
  }
  
  private void button2_Click(object sender, EventArgs e)
  {
     //I need code here.
  }
  </code></pre>
  
  <p>The question is: How to add more subitems in listview2 with button2 after subitems that are already added with button1? (I have created all needed columns.)</p>