How to handle extjs treegrid selection event?
You can use listener for grid's select event. Ext.create('KitchenSink.view.tree.TreeGrid', { renderTo: Ext.getBody(), listeners: { select: function(selModel, record, index, eOpts) { console.debug(record.get('user')); } } }); Fiddle with live example: https://fiddle.sencha.com/#fiddle/6t7...
Hide paging toolbar for Tree Grid
It doesn't look like that config exists, you're right. You should be able to work around it by hiding it once the grid is rendered. Simply add the following event listeners config to your existing config when creating your treegrid: listeners: { afterrender: function(treegrid) { treegrid.down('#pagingToolbar').hide(); } } ...