介紹過基礎的MSchart知識后，大家應該容易上手寫代碼了，最起碼搞幾個餅圖柱狀圖什么的不在話下了。下面我們看看如何在實際項目中寫代碼。

柱狀圖
1: string strSQL; 2: DataSet ds = new DataSet(); 3: Chart1.ChartAreas[0].Name = "chartArea1"; 4: Chart1.Titles.Add("chartArea1"); 5: Chart1.Titles[0].Font = new Font("????", 14, FontStyle.Bold); 6: strSQL = "select col1,col2 from Report"; 7: ds.Tables.Add(DBSQL.Query(strSQL, 300).Tables[0].Copy()); 8: ds.Tables[0].TableName = "chartArea1"; 9: if(ds.Tables[0].Rows.Count > 0) 10: { 11: Chart1.Series[0].Name = "chartArea1"; 12: Series ser_qqgzjz = Chart1.Series[0]; 13: ser_qqgzjz.ChartArea = "chartArea1"; 14: ser_qqgzjz.Points.DataBind(ds.Tables["qqgzjz"].Rows, "col2", "col1", ""); 15: ser_qqgzjz.IsValueShownAsLabel = true; 16: Chart1.ChartAreas["chartArea1"].AxisY.Title = "Person"; 17: Chart1.ChartAreas["chartArea1"].AxisX.MinorGrid.LineWidth = 0; 18: Chart1.ChartAreas["chartArea1"].AxisX.LabelStyle.Angle = -45; 19: Chart1.ChartAreas["chartArea1"].AxisX.MajorGrid.LineDashStyle = ChartDashStyle.NotSet; 20: Chart1.ChartAreas["chartArea1"].AxisY.MajorGrid.LineDashStyle = ChartDashStyle.Dash; 21: }

?

雙縱坐標（含百分比）
1: // chart is your mschart control,srcSeriesName is the name of source series name,destSeriesName 2: // is the name of series you want to add,which is percent series,totalCount is the number 3: // which to caculator the percent 4: protected void TowGrid(Chart chart, string srcSeriesName, string destSeriesName, double totalCount) 5: { 6: string strChartArea = chart.Series[srcSeriesName].ChartArea; 7: chart.Series[srcSeriesName].ChartType = SeriesChartType.Column; 8: double total = totalCount; 9: Series destSeries = new Series(destSeriesName); 10: chart.Series.Add(destSeries); 11: destSeries.ChartType = SeriesChartType.Line; 12: destSeries.BorderWidth = 3; 13: destSeries.ChartArea = chart.Series[srcSeriesName].ChartArea; 14: destSeries.YAxisType = AxisType.Secondary; 15: chart.ChartAreas[strChartArea].AxisY2.Maximum = 100; 16: chart.ChartAreas[strChartArea].AxisY2.Title = "??????%??"; 17: chart.ChartAreas[strChartArea].AxisY2.TitleFont = new Font("??????", 10); 18: destSeries.LabelFormat = "P1"; 19: chart.ChartAreas[strChartArea].AxisY2.MajorGrid.LineDashStyle = ChartDashStyle.NotSet; 20: chart.ChartAreas[strChartArea].AxisX.LabelStyle.IsEndLabelVisible = false; 21: double percentage = 0.0; 22: foreach (DataPoint pt in chart.Series[srcSeriesName].Points) 23: { 24: percentage = (pt.YValues[0] * 100.0 / total); 25: destSeries.Points.Add(Math.Round(percentage, 2)); 26: } 27: chart.Series[destSeriesName].IsValueShownAsLabel = true; 28: chart.Series[destSeriesName].MarkerColor = Color.Red; 29: chart.Series[destSeriesName].MarkerBorderColor = Color.MidnightBlue; 30: chart.Series[destSeriesName].MarkerStyle = MarkerStyle.Circle; 31: chart.Series[destSeriesName].MarkerSize = 8; 32: chart.Series[destSeriesName].LabelFormat = "0.#"; 33: } 34: }

通過以上代碼的結合，就能制作出如下效果的圖表：

?PS：不少網友遇到橫坐標值不能完全顯示的問題，只需要修改橫坐標的間隔值即可。如：

?chart_ser.ChartAreas[0].AxisX.Interval = 1;
?chart_ser.ChartAreas[0].AxisX.IntervalOffset = 1;

? ?

轉載于:https://www.cnblogs.com/tristinjet/archive/2009/11/09/1598981.html

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