The ASP.NET Chart Control automatically detects the data type of series arguments. This means that you don't need to specify the SeriesBase.ArgumentScaleType property before providing data for a chart, because it is set to Auto by default. Make sure the SeriesBase.ValueScaleType property’s default value meets your requirements, or you may need to select another value scale type (e.g., when an argument type is recognized as numeric and you require a qualitative scale).
You can set the ValueScaleType property in the Properties tab.
To manually add points to your series, switch back to the Points tab. Although some series view types may require more than one value for each point's argument (e.g., in Bubble or Stock series), it is typical for a point to have only one argument and value pair, which corresponds to the point's X and Y coordinates along the appropriate axes.
In your chart, you can create as many different series as required. You can also combine series of varying view types within the same chart (if the view types are compatible). For example, add a Spline series to the existing Bar series.
Click Close to apply the changes and close the dialog. Your chart now has two different series populated with points – as illustrated in the image below.
In the invoked Constant Line Collection Editor dialog, click Add to create a constant line, specify its ConstantLine.AxisValue property, and adjust the remaining options.
The result is shown in the following image.
Display Series in Different Panes
Via the chart's smart tag, invoke the Series Collection Editor. Select the Spline series and switch to the dialog's Properties tab. Then, expand the SeriesBase.View property, click the XYDiagramSeriesViewBase.Pane property's drop down menu, and select New pane.
Close the dialog to see the result.
In addition, you can adjust axes visibility in panes and create secondary axes.