How to add one extra row in matrix or in excel component ?

Hi..

I need to add one extra row in matrix or in excel component, for more detail pls see below e.g.

In excel component it shows only values, but i want to show its heading also to understand it better as per shown in second snap (i.e. test1, test2, test3, test4).

so please can anybody help me.

Regards,

Prashant Pandarkar