You need to specify a Stroke to use for the grid lines. You can make the Stroke for the grid lines "bolder" by setting the "weight" property of the Stroke to a number greater than 1.
If you view the source of this example, you can see one way of doing this: http://blog.sunild.com/2008/08/inverting-chart-series.html Sunil --- In firstname.lastname@example.org, Vik <vik....@...> wrote: > > Hie > That worked thankx.. but the grid lines are very light. almost hard to see.. > > how to make them look a bit bold? > > Thankx and Regards > > Vik > Founder > www.sakshum.com > www.sakshum.blogspot.com >