Hi @SergioBasso-1862 ,
You can choose to Using Empty Data Points.
Or use the following code to hide 0 value.
For j As Integer = 0 To Me.radChart1.Series.Count - 1
Dim items As ChartSeriesItemsCollection = Me.radChart1.Series(j).Items
For i As Integer = 0 To items.Count - 1
If items(i).YValue = 0 Then items(i).Label.Visible = False
Next
Next
Best Regards.
Jiachen Li
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