SMART datagrid :: visible

DataLudi.GridColumn.visible property

If it is false, the cells of this column will not be displayed and will not take up the area of grid.

And, displayIndex will return -1.

Defaults to true.

Code -1

    $('#toggle').click(function () {
        var col = grid.columnByName('colAddr');
        col.setVisible(!col.visible());
    });