directiontypes = Ext.create('Ext.data.Store', {
                fields: ['value', 'name'],
                data : [
                    {'value': 1, 'name': 'Аренду'},
                    {'value': 2, 'name': 'Продажу'}
                ]
        });

        var directioncombox = Ext.create('Ext.form.ComboBox', {
            fieldLabel: 'Под',
            store:  directiontypes,
            listeners:{select:{fn:function(combo, value) {
                Ext.get('directiontypes-id').set({value: value[0].data.value})
            }}},
            editable: false,
            inputId: 'directiontypes-id',
            displayField: 'name',
            valueField: 'id',
            name: 'direction_id',
            xtype:'combo',
            allowBlank: false,
            triggerAction:'all',
            width: 720,
        })
        directioncombox.setValue(directiontypes.findRecord('value', '1'))