getting index value 0 from dataview any list itemtap from sencha touch -

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i unable index value form dataview:

    {                         xtype: 'list',                itemid: 'catlist',               store: 'categorystore',                   scrollable: false,               layout: 'fit',                         itemheight: 20,               itemtpl: [               '<div>',               '<tpl for="data">',               '<span >{category_name}</span> ',                        '</tpl>',           '</div>'], listeners: {    'itemtap': function(list, index, target, record, e, eopts){      console.log(record.get('cat_id')); } } }

edited: if put data static on store works fine not work while getting data server:

it works displayed on list:

      {               xtype: 'list',            itemid: 'catlist',           scrollable: false,      data: [     { category_name: 'a', cat_id: 1},     { category_name: 'b', cat_id: 2},     { category_name: 'c', cat_id: 3},     { category_name: 'd', cat_id: 4},     { category_name: 'e', cat_id: 5},       ],     loadingtext: "loading words...",     emptytext: '<div>{message}</div>',     autoload:true,     itemtpl:[     '<tpl for=".">',           '<span >{category_name}</span> ',                    '</tpl>',     ]    },

here, tap many times on different row gets index 0, why this? why not getting different index value while tapping different row of list item;

my json

i tried , working me, let me share did.

model

ext.define('myapp.model.category', {     extend: 'ext.data.model',     config: {         fields: [             { name: 'cat_id', type: 'integer' },             { name: 'category_name', type: 'string' },             { name: 'created_date', type: 'string' },             { name: 'order', type: 'integer' },             { name: 'status', type: 'integer' },             { name: 'deleted', type: 'integer' },             { name: 'type', type: 'integer' }         ]     } });

store

ext.define('myapp.store.category', {     extend: 'ext.data.store',     requires: [         'myapp.model.category'     ],     config: {         storeid: 'category',          model: "myapp.model.category",          proxy: {             type: "ajax",             url : "http://alucio.com.np/trunk/dev/sillydic/admin/api/word/categories/sdsillytoken/650773253e7f157a93c53d47a866204dedc7c363?_dc=1376475408437&page=1&start=0&limit=25",             reader: {                 type: "json",                 rootproperty: "data"             }         },         autoload: true     }  });

list

 {               xtype: 'list',      itemid: 'catlist',     store: ext.create('myapp.store.category'),     layout: 'fit',           itemheight: 20,     itemtpl: [               '<div>',               '{category_name}',                            '</div>'],             listeners: {                itemtap: function(list, index, target, record, e, eopts){                  console.log(record.get('cat_id'));             }       }    }

output

enter image description here

as can see itemtap function printing correct cat_id

update

based on comment

{        xtype :'panel',    items : [{        xtype : 'toolbar',        itemid: 'categoryname'  // give itemid         },       {        xtype: 'list',         itemid: 'catlist',        height : '100%',        store: ext.create('goodnews.store.category'),        layout: 'fit',              itemheight: 20,        itemtpl: [          '<div>',          '{category_name}',                       '</div>'],          listeners: {            itemtap: function(list, index, target, record, e, eopts){              var catid = record.get('cat_id');              var categoryname = record.get('category_name');              // set title              this.getparent().getcomponent('categoryname').settitle(categoryname);            }           }                        }]        }

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