PieSeries in a listboxItem

I have a listboxitem whose datatemplate contains a pieseries. The listbox is bound to the class having a dictionary member. I want to bind that dictionary member to the pieseries. I have tried couple of ways, but it did not work. it is generating blank pieseries. The pieseries datacontext is being set to the开发者_C百科 datacontext of the listboxitem and still it is not working.

let me know if you have any suggestions.

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Got it working after long struggle just by writing a converter to do the calculation which were there in the dictionary.