Add item to Listview control

I have a listview in c# with three columns and the view is details. I need to add a item to each specific column but I am having a hard time with this. I have tried several things. Here is what I got so far. Thanks for any help in advance.

// Add the pet to our listview
ListViewItem lvi = new ListViewItem();
lvi.SubItems.Add(pet.Name);
lvi.SubItems.Add(pet.Type);
lvi.SubItems.Add(pet.Age);

listView.Items.Add(lvi);

I have done it like this and it seems to work:

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }

    private void button1_Click(object sender, EventArgs e)
    {
        string[] row = { textBox1.Text, textBox2.Text, textBox3.Text };
        var listViewItem = new ListViewItem(row); 
        listView1.Items.Add(listViewItem);
    }
}

The first column actually refers to Text Field:

  // Add the pet to our listview
    ListViewItem lvi = new ListViewItem();
    lvi.text = pet.Name;
    lvi.SubItems.Add(pet.Type);
    lvi.SubItems.Add(pet.Age);

    listView.Items.Add(lvi);

Or you can use the Constructor

 ListViewItem lvi = new ListViewItem(pet.Name);
 lvi.SubItems.Add(pet.Type);
 ....