Hi, Something like this. function afterrender(sender, eOpts) { var me = sender; var view = me.normalGrid.getView(); view.tip = Ext.create('Ext.tip.ToolTip', { target: view.getId(), delegate: '.x-grid-cell', trackMouse: true, listeners: { beforeshow: function updateTipBody(tip) { return me.cellTip ? tip.update(me.cellTip) : false; } } }); } procedure TMainForm.UniFormCreate(Sender: TObject);