(oracle)ref cursor value handle in c#

Question

Hai
1.
In my c# code I get data (mutiple row and column) from oracle database and they used refcursor to return data. How I handle this situation , How to store into dataset or datatable.

2.
i have excel sheet i want put data into sheet from datatable or dataset
but the table structure different like datatable column is row of excel sheet 
and datatable row is column of excel sheet and column and row order also 
differ. how i do this task?.