Deleteing DataItem in dataview

Hi,

i am using dataview each item having components as Ext.dataview.component.DataItem



while deleting dataview Items or not deleting mutiple items

i am getting as follows,

reflow: 2.69ms

reflow: 1.85ms function .isPainted</<, sencha-touch-all-debug.js line 12584

reflow: 0.08ms function .getWidth, sencha-touch-all-debug.js line 14302

reflow: 2.76ms function .isPainted</<, sencha-touch-all-debug.js line 12584

reflow: 2.36ms function .isPainted</<, sencha-touch-all-debug.js line 12584

reflow: 2.23ms