public ColumnChartSeriesDataItem(
	string id,
	string value,
	string background_color_string,
	Nullable<byte> background_alpha
)

Public Sub New ( _
	id As String, _
	value As String, _
	background_color_string As String, _
	background_alpha As Nullable(Of Byte) _
)

public:
ColumnChartSeriesDataItem(
	String^ id, 
	String^ value, 
	String^ background_color_string, 
	Nullable<unsigned char> background_alpha
)