CSPosAPI.FormNonCash.dataGridViewNonCash_CellValueChanged C# (CSharp) Méthode

        private void dataGridViewNonCash_CellValueChanged(object sender, DataGridViewCellEventArgs e)
        {
            summaryNonCash = 0;
            foreach (DataGridViewRow row in dataGridViewNonCash.Rows)
            {
                if (!row.IsNewRow)
                {
                    double amountNonCash = Convert.ToDouble(row.Cells["Amount"].Value);
                    summaryNonCash += amountNonCash;
                }
            }
            textBoxNonCashAmount.Text = summaryNonCash.ToString(Program.NUMBER_FORMAT);
        }