버전: Ext JS 4 (4.0.1), Ext.grid.Panel

...
doSomething: function(gridView) {
    console.debug('do something...');
},
listeners: {
    ...
    afterrender: function(grid) {
        var view = grid.getView();
        if(view) {
            view.on('refresh', grid.doSomething, grid);
        }
    }
    ...
}
...