ChartDirector C# Demo 
饼图,柱状等
有Demo就是好
// The data for the chart
    double[] data = {5.5, 3.5, -3.7, 1.7, -1.4, 3.3};
    string[] labels = {"Jan", "Feb", "Mar", "Apr", "May", "Jun"};
    // Create a XYChart object of size 200 x 190 pixels
    XYChart c = new XYChart(200, 190);
    // Set the plot area at (30, 20) and of size 140 x 140 pixels
    c.setPlotArea(30, 20, 140, 140);
    // Configure the axis as according to the input parameter
    if (img == "0") {
        c.addTitle("No Axis Extension", "Arial", 8);
    } else if (img == "1") {
        c.addTitle("Top/Bottom Extensions = 0/0", "Arial", 8);
        // Reserve 20% margin at top of plot area when auto-scaling
        c.yAxis().setAutoScale(0, 0);
    } else if (img == "2") {
        c.addTitle("Top/Bottom Extensions = 0.2/0.2", "Arial", 8);
        // Reserve 20% margin at top and bottom of plot area when auto-scaling
        c.yAxis().setAutoScale(0.2, 0.2);
    } else if (img == "3") {
        c.addTitle("Axis Top Margin = 15", "Arial", 8);
        // Reserve 15 pixels at top of plot area
        c.yAxis().setMargin(15);
    } else {
        c.addTitle("Manual Scale -5 to 10", "Arial", 8);
        // Set the y axis to scale from -5 to 10, with ticks every 5 units
        c.yAxis().setLinearScale(-5, 10, 5);
    }
    // Set the labels on the x axis
    c.xAxis().setLabels(labels);
    // Add a color bar layer using the given data. Use a 1 pixel 3D border for the
    // bars.
    c.addBarLayer3(data).setBorderColor(-1, 1);
    // Output the chart
    viewer.Image = c.makeWebImage(Chart.PNG);
    // Include tool tip for the chart
    viewer.ImageMap = c.getHTMLImageMap("", "", "title='ROI for {xLabel}: {value}%'")
                                    
                                    
                                        
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