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Group: Forum Members
Last Active: 9 Years Ago
Posts: 1,
Visits: 6
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Hi, in your help section "Controlling the labels visibility" you show how to hide specific labels. Unfortunately, I can't get it work. I want the first datapoint to have no label.
Here is my code (watch for 2 comments).
Thanks for your help!
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var chart = new NCartesianChart();
NDateTimeScaleConfigurator dateTimeScale = new NDateTimeScaleConfigurator();
dateTimeScale.MajorTickMode = MajorTickMode.CustomStep;
dateTimeScale.CustomStep = new NDateTimeSpan(1, NDateTimeUnit.Year);
dateTimeScale.EnableUnitSensitiveFormatting = false;
dateTimeScale.LabelValueFormatter = new NDateTimeValueFormatter("yyyy");
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = dateTimeScale;
NBarSeries bar = (NBarSeries)chart.Series.Add(SeriesType.Bar);
bar.UseXValues = true;
var dataPoint = new NDataPoint(new DateTime(1999, 1, 1).ToOADate(), 0);
bar.AddDataPoint(dataPoint); // this point shall have no label
bar.AddDataPoint(new NDataPoint(new DateTime(2000,1,1).ToOADate(), 1, "2000 / 1"));
bar.AddDataPoint(new NDataPoint(new DateTime(2001, 1, 1).ToOADate(), 2, "2011 / 2"));
bar.AddDataPoint(new NDataPoint(new DateTime(2002, 1, 1).ToOADate(), 5, "2011 / 2"));
bar.AddDataPoint(new NDataPoint(new DateTime(2003, 1, 1).ToOADate(), 4, "2011 / 2"));
NDataLabelStyle dataLabel = new NDataLabelStyle();
dataLabel.Visible = true;
dataLabel.Format = "";
bar.DataLabelStyle.Visible = false;
bar.DataLabelStyles[0] = dataLabel; // trying to get rid of label for point at index 0
this.ChartControl.Charts.Clear();
this.ChartControl.Charts.Add(chart);
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.NevronMultiColor);
styleSheet.Apply(this.ChartControl.Document);
this.ChartControl.Refresh();
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