Sorry that was a stupid question...:)
I wanted to ask you one more question.
Currently I am using this to add the markedZone. However I am not able to see a marked zone in Pie Chart. Is there a way to add a marked zone in Pie?
MarkedZone tempZone =
tempZone.StartY = e.DataPoint.YValue;
tempZone.EndY = e.DataPoint.YValue+((Axis)(((((ChartArea)(sender)))).AxisY)).ActualStep;
tempZone.StartX = e.DataPoint.XValue;
tempZone.EndX = e.DataPoint.XValue++((Axis)(((((ChartArea)(sender)))).AxisY)).ActualStep;