我有一张图表,我将其称为子程序。每次我打电话给它时,它都会复制图表上的数据。我如何防止重复数据?防止图表中的数据重复
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
chartUpdte()
End Sub
Sub chartUpdte()
chrt.Series.Clear()
' Give unique Series Name
seriesName = "Series1"
chrt.Series.Add(seriesName)
' Bind X and Y values
chrt.Series(seriesName).Points.DataBindXY(xValues, yValues)
' Define Custom Chart Colors
chrt.Series(seriesName).Palette = DataVisualization.Charting.ChartColorPalette.Pastel
chrt.ChartAreas("ChartArea1").Area3DStyle.Enable3D = False
chrt.Series(seriesName).IsValueShownAsLabel = True
chrt.ChartAreas("ChartArea1").AxisX.MinorTickMark.Enabled = True
chrt.ChartAreas("ChartArea1").AxisX.Interval = 1
chrt.ChartAreas("ChartArea1").AxisX.IsLabelAutoFit = True
chrt.ChartAreas("ChartArea1").AxisX.LabelStyle.IsStaggered = True
chrt.ChartAreas("ChartArea1").AxisX.LabelAutoFitStyle = DataVisualization.Charting.LabelAutoFitStyles.DecreaseFont
End Sub
找到一个chart.clear()方法? – Jeremy
它不起作用。我在图表中获得调色板的重复 – Hfirst
向我们展示一些代码。有关数据类型和问题的更多细节将受到欢迎。 – Fjodr