Series series = new Series("货品数量");
series.XValueMember = "bill_code";
series.YValueMembers = "bill_num";
series.IsValueShownAsLabel = true;
series.ToolTip = dropGoods.SelectedItem.Text+":#VAL";
series.ChartType = SeriesChartType.Column;//类型为柱形图
Chart1.Series.Add(series);
Chart1.ChartAreas[0].Area3DStyle.Enable3D = true;//3D效果