How to return double value from datetime value through IChartSeriesModel in WinForms Chart?

The IChartSeriesModel  can convert DateTime values to double values using the ToOADate method provided by DateTime. This is particularly useful when working with WinForms Chart that require numerical data for plotting. 

// Set X-axis to double (OADate)
this.chartControl1.PrimaryXAxis.ValueType = ChartValueType.Double;
this.chartControl1.PrimaryXAxis.Range = new MinMaxInfo(36000, 39800, 400);
ChartSeries chartSeries1 = new ChartSeries("Sales");
chartSeries1.Type = ChartSeriesType.Line;

// Add points using OADate
foreach (var data in dataSource)
{
    chartSeries1.Points.Add(data.Date.ToOADate(), data.YValue);
}
this.chartControl1.Series.Add(chartSeries1);

Dim viewModel As BrandViewModel = New BrandViewModel()
Dim ChartSeries1 As ChartSeries = New ChartSeries("Sales")

'Set X-axis to double (OADate)
lineChart.PrimaryYAxis.ValueType = ChartValueType.Double
lineChart.PrimaryXAxis.ValueType = ChartValueType.Double
lineChart.PrimaryXAxis.Range = New MinMaxInfo(36000, 39800, 400)
ChartSeries1.Type = ChartSeriesType.Line

'Add points using OADate
For Each item In viewModel.PlantDetails1
    ChartSeries1.Points.Add(item.Date1.ToOADate(), item.YValue)
Next

lineChart.Series.Add(ChartSeries1)

Conclusion

I hope you enjoyed learning about how to return DateTime value through IChartSeriesModel in WinForms Chart.

You can refer to our WinForms Chart feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started with configuration specifications. You can also explore our WinForms Chart examples to understand how to create and manipulate data.

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