ListView with Group Header in Monodroid

Question

Hi All,
I want to create ListView with Group Header. Suppose i have person's contact list in an array and i want to display it in ListView. First header text will be alphabet "A" and all name starting by A will be listed below it. Again after that alphabet "B" will be the header text and all name starting by B will be listed below it and so on.
Need this output in monodroid(C# coding).
Please help me out.
Thanks in advance.
S.Rahman