private void ProductsDataGridView_CellFormatting(object sender, System.Windows.Forms.DataGridViewCellFormattingEventArgs e) { if (e.ColumnIndex == DataGridView1.Columns(3).Index&& e.Value != null) { // if (Convert.ToInt32(e.Value) < 10) { e.CellStyle.BackColor = Color.OrangeRed; e.CellStyle.ForeColor = Color.LightGoldenrodYellow; } // } // }