Enabling and activating tab

Hi ,

I know it sounds newbie :D

i want to enable and then activate tab from handler


HANDLER

Code:

---

  handler: function (grid, rowIndex, colIndex){
 
    var rec = fordata.getAt(rowIndex);   
 
      Ext.getCmp('distab').enable();
 
      I NEED CODE TO BE WRITTEN HERE (I GUESS :D)
 
 
    }

---

TAB

Code:

---


{
  items: updateform,
  title: 'UPDATE DATA',
  disabled: true,
  id: 'distab',
  name: 'distab'
        }

---

THX

You need to use setActiveTab :

http://docs.sencha.com/ext-js/4-0/#/...d-setActiveTab

thx