我有一張圖表,我將其稱爲子程序。每次我打電話給它時,它都會複製圖表上的數據。我如何防止重複數據?防止圖表中的數據重複
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
找到一個chart.clear()方法? – Jeremy
它不起作用。我在圖表中獲得調色板的重複 – Hfirst
向我們展示一些代碼。有關數據類型和問題的更多細節將受到歡迎。 – Fjodr