protected override Image DoCreateChartImage()
{
var radChart = new RadChart {Width = Parameters.ChartWidth, Height = Parameters.ChartHeight};
var tmpSeries = new ChartSeries() { Type = ChartSeriesType.Line };
foreach (var point in Parameters.SeriaData)
tmpSeries.Items.Add(new ChartSeriesItem(point.Key, point.Value));
radChart.AddChartSeries(tmpSeries);
return radChart.GetBitmap();
}
protected override void CreateChildControls()
{
string[] colors = { "#FFDA43", "#2F89C2", "#F267CD", "#79E364", "#EB5D2D", "#42AE18", "#FF9C40", "#B99A72", "#9BC0FF", "#98CC88", "#C3B600" };
chart = new RadChart();
chart.UseSession = false;
chart.TempImagesFolder = "~/_layouts/temp";
chart.RadControlsDir = "~/_layouts/radcontrols/RadControls/";
ChartSeries chartSeries = new ChartSeries();
chart.AddChartSeries(chartSeries);
ChartTitle title = new ChartTitle();
ChartSeries series = chart.GetChartSeries(0);
series.Name = surveyQuestion;
chart.Legend.HAlignment = ChartHAlignment.Center;
chart.Legend.VAlignment = ChartVAlignment.Bottom;
chart.Legend.LegendStyle = LegendItemsPositionType.Row;
response = GetSurveyResponse("http://server/sites/techresources/", "http://server/sites/techresources/Lists/Survey2");
title.Text = surveyQuestion;
title.TextFont = new Font("Verdana", 7);
chart.Chart.ChartTitle = title;
series.Clear();
series.DiameterScale = 0.40;
series.ShowLabelConnectors = false;
series.ShowLabels = true;
series.LabelAppearance.Distance = 7;
series.LabelAppearance.TextFont = new Font("Verdana", 7);
series.NotOverlapLabels = true;
series.Type = ChartSeriesType.Pie;
ColorConverter cc = new ColorConverter();
int i = 0;
foreach (Response res in response)
{
ChartSeriesItem seriesItem = new ChartSeriesItem();
seriesItem.YValue = res.totalResponse;
seriesItem.ItemMap.ToolTip = res.choiceName;
seriesItem.Label = res.totalResponse.ToString();
seriesItem.Appearance.MainColor = (Color)cc.ConvertFromString(colors[i++]);
seriesItem.Appearance.BorderColor = Color.DimGray;
seriesItem.Appearance.FillStyle = FillStyle.Solid;
seriesItem.Name = res.choiceName;
series.Items.Add(seriesItem);
}
chart.Skin = "LightGreen";
this.Controls.Add(chart);
}
