新建Visual C#项目——ASP.NET Web应用程序,将下列代码插入PageLoad事件处理函数中: OWC.ChartSpace objCSpace = new OWC.ChartSpaceClass(); OWC.WCChart objChart = objCSpace.Charts.Add(0); objChart.Type = OWC.ChartChartTypeEnum.chChartTypeColumnClustered; objChart.HasLegend = true; objChart.HasTitle = true; objChart.Title.Caption = "上半年月收入图"; objChart.Axes[0].HasTitle = true; objChart.Axes[0].Title.Caption = "万元"; objChart.Axes[1].HasTitle = true; objChart.Axes[1].Title.Caption = "月份"; objChart.SeriesCollection.Add(0);
objChart.SeriesCollection[0].SetData(OWC.ChartDimensionsEnum.chDimSeriesNames, +(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,"上半年收入");
objChart.SeriesCollection[0].SetData(OWC.ChartDimensionsEnum.chDimCategories, +(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral, "Jan"+'\t'+"Feb"+'\t'+"Mar"+'\t'+"Apr"+'\t'+"May"+'\t'+"Jun"+'\t');
objChart.SeriesCollection[0].SetData(OWC.ChartDimensionsEnum.chDimValues, (int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral, "100"+'\t'+"20"+'\t'+"50"+'\t'+"60"+'\t'+"240"+'\t'+"20"+'\t'); objCSpace.ExportPicture(Server.MapPath("")+@"\tmpFile.gif","GIF",400,300);
Bitmap myPalette = new Bitmap(Server.MapPath("")+@"\tmpFile.gif",true); myPalette.Save(Response.OutputStream,System.Drawing.Imaging.ImageFormat.Gif);
运行可以生成如下柱状图显示在页面上:

但是我觉得月份坐标和图例上的字体都太小了,该怎么调整?我试着改变输出图像大小但是字体并没有跟着改变,小弟初学.NET和C#,请众位高手不吝赐教!