彩票走势图

使用ChartDataLabel你可以规定单个图表系列的数据标签的格式，像显现/隐藏图例、种类名字、SeriesName、值等等。

C#

ChartDataLabelCollection dataLabelCollection = series0.DataLabels;

// Add data label to the first and second point of the first series.
ChartDataLabel chartDataLabel00 = dataLabelCollection.Add(0);
ChartDataLabel chartDataLabel01 = dataLabelCollection.Add(1);

// Set properties.
chartDataLabel00.ShowLegendKey = true;

// By default, when you add data labels to the data points in a pie chart, leader lines are displayed for data labels that are
// positioned far outside the end of data points. Leader lines create a visual connection between a data label and its
// corresponding data point.
chartDataLabel00.ShowLeaderLines = true;

chartDataLabel00.ShowCategoryName = false;
chartDataLabel00.ShowPercentage = false;
chartDataLabel00.ShowSeriesName = true;
chartDataLabel00.ShowValue = true;
chartDataLabel00.Separator = "/";

chartDataLabel01.ShowValue = true;

Visual Basic

Dim dataLabelCollection As ChartDataLabelCollection = series0.DataLabels

' Add data label to the first and second point of the first series.
Dim chartDataLabel00 As ChartDataLabel = dataLabelCollection.Add(0)
Dim chartDataLabel01 As ChartDataLabel = dataLabelCollection.Add(1)

' Set properties.
chartDataLabel00.ShowLegendKey = True

' By default, when you add data labels to the data points in a pie chart, leader lines are displayed for data labels that are
' positioned far outside the end of data points. Leader lines create a visual connection between a data label and its
' corresponding data point.
chartDataLabel00.ShowLeaderLines = True

chartDataLabel00.ShowCategoryName = False
chartDataLabel00.ShowPercentage = False
chartDataLabel00.ShowSeriesName = True
chartDataLabel00.ShowValue = True
chartDataLabel00.Separator = "/"

chartDataLabel01.ShowValue = True

结果如下：

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