Use the SetDataLabelsRange(String,Nullable<CellReferenceMode>) method to assign a new value.
The cell values obtained from this property are only displayed when the DataLabel.ShowRange property is set to true.
The specified range must contain only one column or one row, or an exception is thrown.
Target Platforms: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+