Example:
http://www12.0zz0.com/2013/10/08/10/244504589.jpg

[img]http://www12.0zz0.com/2013/10/08/10/244504589.jpg[/img]

Hello,

It's not officially supported in current version. You can take help from these links.

Forum

http://stackoverflow.com/questions/2705174/vertical-text-inside-table-headers-using-a-javascript-based-svg-library

Has anybody succeeded in implementing vertical headers? Alternatively – would it be possible to use images as header labels?

Hello,

I am emailing you working demo, that uses SVG to make heading vertical (no images)