asp.net server side code
<%@ Page Language="C#" %> <script runat="server"> protected void Page_Load(object sender, EventArgs e) { String jsonString = "{success: true}"; jsonString=@"{users: [ { id: 1, firstName: 'Tommy laptop', lastName: 'Maintz' }, { id: 2, firstName: 'Rob', lastName: 'Dougan' }, { id: 3, firstName: 'Ed', lastName: 'Avins' }, { id: 4, firstName: 'Jamie laptop', lastName: 'Avins' }, { id: 5, firstName: 'Dave', lastName: 'Dougan' }, { id: 6, firstName: 'Abraham', lastName: 'Elias' }, { id: 7, firstName: 'Jacky', lastName: 'Ngyuyen' }, { id: 8, firstName: 'Jay', lastName: 'Ngyuyen' }, { id: 9, firstName: 'Jay', lastName: 'Robinson' }, { id: 10, firstName: 'Rob', lastName: 'Avins' }, { id: 11, firstName: 'Ed', lastName: 'Dougan' }, { id: 12, firstName: 'Jamie', lastName: 'Poulden' }, { id: 13, firstName: 'Dave', lastName: 'Spencer' }, { id: 14, firstName: 'Abraham', lastName: 'Avins' }, { id: 15, firstName: 'Jacky', lastName: 'Avins' }, { id: 16, firstName: 'Rob', lastName: 'Kaneda' }, { id: 17, firstName: 'Ed', lastName: 'Elias' }, { id: 18, firstName: 'Tommy', lastName: 'Dougan' }, { id: 19, firstName: 'Rob', lastName: 'Robinson' } ]}"; String cb = Request.Params.Get("callback"); String responseString = ""; if (!String.IsNullOrEmpty(cb)) { responseString = cb + "(" + jsonString + ")"; } else { responseString = jsonString; } Response.Write(responseString); } </script>
js:
Ext.define('MyApp.store.MyJsonPStore', { extend: 'Ext.data.Store', requires: [ 'MyApp.model.Person', 'Ext.data.proxy.JsonP', 'Ext.data.reader.Json' ], config: { autoLoad: true, data: [ { id: 268, firstName: 'Lewis', lastName: 'Wright' }, { id: 557, firstName: 'Beulah', lastName: 'Sanchez' }, { id: 983, firstName: 'Leon', lastName: 'Martin' } ], groupField: 'lastName', model: 'MyApp.model.Person', storeId: 'MyJsonPStore', proxy: { type: 'jsonp', url: 'http://www.abc.com/jsonp.aspx', reader: { type: 'json', rootProperty: 'users' } } } });
reference:
http://docs.sencha.com/touch/2.3.1/#!/api/Ext.data.proxy.JsonP