CUDA_Manager.Form1.buMdwn_Click C# (CSharp) Метод

        private void buMdwn_Click(object sender, EventArgs e)
        {
            DataGridView grid = dgView;
            try
            {
                int totalRows = grid.Rows.Count;
                int idx = grid.SelectedCells[0].OwningRow.Index;
                if (idx == totalRows - 1)
                    return;
                int col = grid.SelectedCells[0].OwningColumn.Index;
                DataGridViewRowCollection rows = grid.Rows;
                DataGridViewRow row = rows[idx];
                rows.Remove(row);
                rows.Insert(idx + 1, row);
                grid.ClearSelection();
                grid.Rows[idx + 1].Cells[col].Selected = true;
            }
            catch { }
            SaveListDat();
        }