private void dgvOrderDetail_CellEndEdit(object sender, DataGridViewCellEventArgs e) { if (e.ColumnIndex == 2) { var row = dgvOrderDetail.Rows[e.RowIndex]; string oid = row.Cells[0].Value.ToString(); string count = row.Cells[2].Value.ToString(); bll.GetCountByOId(oid, count); } Square(); }