Hi,
please,
i want to know how can compare between multiple series (line type )
Please clarify what is exactly your scenario and your goal. You can define multiple series on the same chart - if this is what you want please refer to http://www.igniteui.com/data-chart/category-series (you can change the chart type to line from the dropdown menu).
P.S. I see that email from the same domain has the following thread opened: http://es.infragistics.com/community/forums/t/96718.aspx, which seems to be the same. If this is the case please let me know at which thread you prefer to continue discussion.
we can continue in this thread please
and i am trying to define multiple series on the same chart, but series points are the same (not all have the same points in XAxis so the chart displayed like the following image) :