【ExtJS】Uncaught TypeError: Cannot read property 'length' of null
2015-01-07 16:43
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若Form中有自定义field组件，则应注意，getRawValue方法不能返回null，应用空串''代替。
否则校验出错，报异常：Uncaught TypeError: Cannot read property 'length' of null
否则校验出错，报异常：Uncaught TypeError: Cannot read property 'length' of null
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