setColumnExcellType() API not accepting Formula cell type

it throws below error when i dynamically change column type to Formula kind like ‘ed[=]’, Please help to resolve this

Error message:

Message: ‘undefined’ is null or not an object
Line: 135
Char: 283
Code: 0
URI: localhost:8080/bb_dev/view/js/grid/dhtmlxgrid.js


Add Column print

Please ignore previous one , and consider below one

Original code:

Add Column print

unfortunately the math formula can be added to the grid column before the init of the grid only.

thanks… please let me know is there any plan to incorporate this feature in upcoming release

Unfortunately we’re not planning to add such functionality in the future versions of dhtmlx.