Your comments

Ok thanks.
one more thing i want to ask. can plotted chart saved as png file in my windows phone8.1 app.
Can i save the plotted chart as image using oxyplot.
Thanks for reply.
i have made samples for windows phone and stuck at a place. How can i add more series over plotted chart. i am using "series.add" but chart not showing any update in plotted chart.

please guide.