CollapseFirst Not Work In Grid Grouping

Code:

---

Ext.define('myGrid', {
    extend: 'Ext.grid.Panel',
    features: [Ext.create('Ext.grid.feature.Grouping', {
        groupHeaderTpl: '{name} ({rows.length})',
        hideGroupedHeader: true,
        startCollapsed: true,
        id: 'assetTypeGrouping'
    })],....

---

Please guide me....

Hi mrlayeghi,

Try this link-

http://www.sencha.com/forum/showthread.php?238728

Don't help me...
No Resolved this Issue.

see this tread, hope it helps:

http://www.sencha.com/forum/showthre...ote-data/page2