tonytomov/jqGrid — comment on commit ade910682a03d633737ef1499f46675122d1b86e
File:  line 0
By tonytomov:

Oleg,
My opinion is - sfter every such action including - show/hide/ remapcolumns/ columnChosser and etc we should apply destroy and rebuild again the group header fter this action finished - simple like KISS.

Regards