OWC10.ChartSpace a = new OWC10.ChartSpaceClass();
a.Charts.Add(0);
OWC10.ChChart ab= a.Charts.Add(0);
ab.Type = OWC10.ChartChartTypeEnum.chChartTypeColumnClustered;
ab.HasLegend = true;
ab.HasTitle = true;
ab.Title.Caption = "上半年收入图";
ab.Axes[0].HasTitle = true;
ab.Axes[0].Title.Caption = "月份";

ab.Axes[1].HasTitle = true;
ab.Axes[1].Title.Caption = "万元";
ab.SeriesCollection.Add(0);
ab.SeriesCollection[0].SetData(OWC10.ChartDimensionsEnum.chDimSeriesNames, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, "上半年收入");
ab.SeriesCollection[0].SetData(OWC10.ChartDimensionsEnum.chDimCategories, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, "JAN" + '\t' + "FEB" + '\t' + "MAR" + '\t' + "APR" + '\t' + "MAY" + '\t' + "JUN" + '\t');
ab.SeriesCollection[0].SetData(OWC10.ChartDimensionsEnum.chDimValues, (int)OWC10.ChartSpecialDataSourcesEnum.chDataLiteral, "100" + '\t' + "20" + '\t' + "50" + '\t' + "60" + '\t' + "240" + '\t' + "20" + '\t');
a.ExportPicture(@"d:\abc.gif", "Gif", 700, 300);
Bitmap bt = new Bitmap(@"d:\abc.gif");
bt.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);


为什么会出现下面两个统计表，我只想要左边的那个就行了，应该怎么办？