//First remove merging if column data is being changed. This is necessary before we potentially update
//the column's cell type as removing merging causes a redraw that needs the column's cell to be
//consistent with the column's data-type
if ( bUpdateColumnData ) {
ToggleMergingEvent tme = new ToggleMergingEvent( false );
eventBus.fireEvent( tme );
}
//Update Column cell
if ( bUpdateColumnDefinition ) {