How to display x Axis desconding?

Allen2009

hi,

I got DateTime xAxis, and it displays time like 9:00, 9:15, 9:30,...,

How can display the time like ...,9:30,9:15,9:00

I've tied

((SeriesDefiniton) sdX).setSorting( SortOption.DESCENDING_LITERAL );

but it didt work

somebody help please !

Allen2009

I set xAxis.setCategoryAxis(true);

it doest work,

now I set xAxis.setCategoryAxis(false);

it works