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  • I'm using EXJjs. I have a form with some checkbox group, this form is used to register a user and is send in json format. Everything is fine at this point, when I'm going to update this information, I retrieve all info (name, lastname, id, address) but I cannot set the checkbox as checked if the value is set inside the json, there values are "client" and "provider".

    extend: 'Ext.data.Model',
    fields: [
            {name:'name', type:'string'},
            {name:'identification', type:'string'},
            {name:'phonePrimary', type:'string'},
    var getUrl = location.href;
    var finall = getUrl.substr(getUrl.lastIndexOf('/') + 1);
    var id = finall;
    var store = Ext.create('Ext.data.Store', {
    model: 'contactosModel',
    autoLoad: true,
    proxy: {        
        type: 'rest',
        url:  'xxxxxxxxxxxxxxxxxxxx,
        method: 'GET',
        pageParam: false, //to remove param "page"
        startParam: false, //to remove param "start"
        limitParam: false, //to remove param "limit"
        noCache: false, 
        reader: {
            type: 'json',
            //rootProperty: 'data',
        headers: {
            Accept : 'application/json',
            Authorization: 'Basic xxxxxxxxx'
    Ext.create('Ext.form.Panel', {
        standardSubmit: true,
        bodyPadding: 5,
        width: 900,
        // The form will submit an AJAX request to this URL when submitted
        url: 'http://localhost/zender/public/index/update/id/' + id,
        // Fields will be arranged vertically, stretched to full width
        layout: 'column',
        defaults: {
            anchor: '100%'
        layout: {
            type: 'vbox',
            align: 'center',
        style: 'margin:0 auto;margin-top:40px;margin-bottom:15px;',
        // The fields
        //defaultType: 'textfield',
        items: [{
            xtype: 'form',
            border: false,
                fieldLabel: 'Nombre*',
                name: 'name',
                xtype: 'textfield',
                allowBlank: false,
                minLength: 3,
                minLengthText: 'Debe contener un minimo de tres caracteres',
                maxLength: 20,
                maxLengthText: 'Debe contener un maximo de veinte caracteres',
                vtype: 'alphanum',
                msgTarget : 'side',
                blankText: 'Debes colocar el nombre',
                fieldLabel: 'identificacion',
                name: 'identification',
                maskRe: /([0-9a-zA-Z])/,
                allowBlank: true,
                xtype: 'textfield',
                vtype: 'alphanum',
                msgTarget : 'side',
                minLength: 4,
                minLengthText: 'Debe contener un minimo de cuatro caracteres',
                maxLength: 10,
                maxLengthText: 'Debe contener un maximo de diez caracteres',
                fieldLabel: 'Telefono 1',
                name: 'phonePrimary',
                allowBlank: true,
                xtype: 'textfield',
                maskRe: /[0-9.]/,
                minLength: 7,
                msgTarget : 'side',
                minLengthText: 'Debe contener un minimo de 7 numeros',
                maxLength: 20,
                maxLengthText: 'Debe contener un maximo de veinte numeros',
                xtype: 'checkboxgroup',
                // Arrange checkboxes into two columns, distributed vertically
                columns: 1,
                name: 'type[]',
                vertical: true,
                items: [
                    { boxLabel: 'Cliente', inputValue: 'client' },
                    { boxLabel: 'Proveedor', inputValue: 'provider' },
        // Reset and Submit buttons
        buttons: [{
            text: 'Borrar todo',
            handler: function() {
        }, {
            text: 'Actualizar',
            formBind: true, //only enabled once the form is valid
            disabled: true,
            handler: function() {
                var form = this.up('form').getForm();
                if (form.isValid()) {
                        jsonData: Ext.JSON.encode(form.getValues()),
                        success: function(form, action) {
                           Ext.Msg.alert('Success', action.result.msg);
                        failure: function(form, action) {
                            Ext.Msg.alert('Failed', action.result.msg);
        listeners: {
        afterrender: function (component, eOpts) {
            var myStore = Ext.getStore(store);
                callback: function (records, operation, success) {
        renderTo: Ext.getBody()

    my checkbox group name is "type" and is an array of string, see below.

    my json is

    "id": "3",
    "name": "Andreaaa",
    "identification": "Fe1234",
    "phonePrimary": "041455677899",   
    "type": [