CharView areaSerie two colors or more

[Electrónica GOIA]

Good afternoon , I have a small problem , I'm carrying a RadChartView from a database with two fields , but I want the areaserie is painted in colors depending on its value. so far only draws the graph but a single color. attached figure how much I want to paint it.

Good afternoon , I have a small problem , I'm carrying a RadChartView from a database with two fields , but I want the areaserie is painted in colors depending on its value. so far only draws the graph but a single color. attached figure how much I want to paint it.

Good afternoon , I have a small problem , I'm carrying a RadChartView from a database with two fields , but I want the areaserie is painted in colors depending on its value. so far only draws the graph but a single color. attached figure how much I want to paint it.