web页上绘制饼图曲线图等组件(c#)

web页上绘制饼图曲线图等组件(c#) 例子: 生成饼图表******************************************** private void InitializeComponent() { this.myBarGraph.RenderGraph += new ZedGraph.Web.ZedGraphWebControlEventHandler(this.OnRenderGraphBar); this.myLineGraph.RenderGraph += new ZedGraph.Web.ZedGraphWebControlEventHandler(this.OnRenderGraphLine); } private void OnRenderGraphBar(ZedGraphWeb zgw, System.Drawing.Graphics g, ZedGraph.MasterPane masterPane) { myBarMethod(zgw, g, masterPane, strYear, strMonth, compareType); } private void OnRenderGraphLine(ZedGraphWeb zgw, System.Drawing.Graphics g, ZedGraph.MasterPane masterPane) { myLineMethod(zgw, g, masterPane, douYear, douMonth); } private void myBarMethod(ZedGraphWeb zgw, System.Drawing.Graphics g, ZedGraph.MasterPane masterPane, string[] strYear, string[] strMonth, string compareType) { GraphPane myPane = masterPane[0]; myPane.Title.Text = title + "柱状图分析"; myPane.XAxis.Title.Text = "时间(月/年)"; if (compareType == "AddValue") { myPane.YAxis.Title.Text = "增加值"; } else { myPane.YAxis.Title.Text = "增加比例(%)"; } List<PointPairList> ListPointParitList = new List<PointPairList>(); for (int i = 0; i < strYear.Length; i++) { ListPointParitList.Add(new PointPairList()); } int n = 0; for (double x = 0; x < strMonth.Length; x += 1.0) { for (int i = 0; i < strYear.Length; i++) { //ListPointParitList[i].Add(x, randNum[n++] * multiplyValue); ListPointParitList[i].Add(x, GetFXData(strYear[i], strMonth[(int)x])); } } List<BarItem> ListBarItem = new List<BarItem>(); List<Color> ListColor = GetColor(); for (int i = 0; i < strYear.Length; i++) { ListBarItem.Add(new BarItem(strYear[i], ListPointParitList[i], ListColor[i])); ListBarItem[i] = myPane.AddBar(strYear[i], ListPointParitList[i], ListColor[i]); } myPane.XAxis.MajorTic.IsBetweenLabels = true; myPane.XAxis.Scale.TextLabels = strMonth; myPane.XAxis.Type = AxisType.Text; myPane.Fill = new Fill(Color.White, Color.FromArgb(200, 200, 255), 45.0f); myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45.0f); masterPane.AxisChange(g); }