setDateFormat on v.2.6 build 100722 of dhtmlxgrid

Hi,

I am trying to set the date format on my grid, when I run the page i get the following error

mygrid.setDateFormat is not a function
mygrid.setDateFormat("%d/%m/%Y");

here is my code

[code][/code]

Can someone help please.

setDateFormat() method is available in PRO version only.