how to hidden the value of cell

Suite 7.0/6.0/5.0 and Optimus Suite 5.0
#1

i use josion in my grid,and i want to hidden the value of the cell,
and i use dhtmlxconector to connect the database,and how to do it.

thanks ！

#2

In case of PRO version you can use hidden columns feature.
docs.dhtmlx.com/doku.php?id=dhtm … ional_data