How to show or hide the columns in Gantt

In Gantt, we can hide or show the columns using hideColumn and showColumn public methods. We need to call these methods using the column’s header text as parameter. It is not possible to hide the tree/expander column by default. The following code snippet explains how to hide/show the column at an external button click event.

Sample:

A sample to hide or show a column in the button click event is available in the following link.

Sample