Ext.ComboBox 初始选中值

        new Ext.form.ComboBox({
            id: 'mycmb',
            hiddenName: 'hiddenid',
            typeAhead: true,
            triggerAction: 'all',
            //  mode: 'remote',
            valueField: 'ID',
            displayField: 'Name',
            hiddenValue: 5307,
            value: '清华紫光 M87 鼠标',
            store: new Ext.data.JsonStore({
                proxy: new Ext.data.HttpProxy({
                    method: 'GET',
                    url: '/list.aspx'     
           }),
                fields: [{ name: 'ID' }, { name: 'Name'}],
                root: 'data'/**/,
                autoLoad: true,
                listeners: {
                    load: function(store, records, options) {
                         Ext.getCmp('mycmb').setValue(5307);
                    }
                }
            })
        })

 

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