Can't figure out: why can't append again - Java版

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Java版 - Can't figure out: why can't append again

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w********n
发帖数: 6

in GUI, a Form SearchForm for searching, TextField input for input key word.
but after search once, when go back search again, it throws
java.lang.IllegalStateException, it can't append form. why? The 1st round is
ok, but never can run the 2nd time.
searchForm.append(input);

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相关话题的讨论汇总
话题: append话题: again话题: input话题: why话题: figure

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