Question

I want to get a number from a listview item divide it by the number in a text box and display it in the next column. How can i do this for every item in the listview?

( i need to get amount / fraction denominator and output it into percentage )

Answer 1

try this

Added Two SubItems to ListView. One to display the actual value and other to display the result

foreach (ListViewItem lvi in listView1.Items)
            {
                lvi.SubItems.Add(YourValue.ToString());
                lvi.SubItems.Add("");
            }

and then in button click

foreach (ListViewItem lvi in listView1.Items)
            {
                double ItemText = Convert.ToDouble(lvi.SubItems[1].Text) / Convert.ToDouble(textBox1.Text);
                lvi.SubItems[2].Text = ItemText.ToString();
            }