As shown in chart controls, line chart data points behind the point of the background color of the label and the color of the brush to fill overlap,
Then the label have been drawline draw a line through, so that it appears very disorderly,

But the effect is very good, below the line chart data point point's label to cover on the line segment, and label backcolor
No and brush to fill color overlap,


Discuss a BBS, and should be how to solve this problem?