autocalculate total value of items in listview when removing item using c#

Question

I\'m using a listview as a shopping cart. I need to know how to recalculate the total value of the cart when I remove an item.

Here is my code for adding to listview;

Answer 1

private void btnRemoveItem_Click(object sender, EventArgs e)
{
    int total = 0;
    foreach (ListViewItem item in lvCart.Items)
    {
       if (lvCart.Items[0].Selected)
        {
            total+=(int)lvCart.SelectedItems[0].SubItems[1].Text;//Add to total while romving
           lvCart.Items.Remove(lvCart.SelectedItems[0]);
           //total += Convert.ToInt32(item.SubItems[1].Text);
        }
    }

      rtbTcost.Text = total.ToString();
   }