急哪位高手用过jq的autocomplete插件，调用页显示不了怎么回事

急，谁用过jq的autocomplete插件，调用页显示不了咋回事？
<script type='text/javascript' src='static/javascript/jquery.js'></script>
<script type='text/javascript' src="static/javascript/query.ui.widget.js"></script>
<script type='text/javascript' src="static/javascript/jquery.ui.core.js"></script>
<script type='text/javascript' src="static/javascript/jquery.ui.position.js"></script>
<script type='text/javascript' src='static/javascript/jquery.ui.autocomplete.js'></script>
</head>
<body>
<input type="text" name="query" id="query" />
<script type="text/javascript">
$(function(){
$("#query").autocomplete({
source: "query.php",
minLength:2
});
});
</script>
</body>
</html>

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query.php的数据读取正常，也得到了正确格式的json值。但是在上面页面的输入框中输入的时候，没有任何下拉补全内容出现。按更应当是在输入时不断执行jquery.ui.autocomplete.js里的函数才是，但发现只在页面载入时访问一次，后面输入的时候不再访问。难不成没有成功绑定事件？

[解决办法]

JScript code

         &lt;script type="text/javascript"&gt;             $(document).ready(function() {                 $("#txtAuto").focus().autocomplete("../WebService/AutoGetData.ashx", {                     delay: 10,                     minChars: 1,                     autoFill: true,                     max: 10000,                     formatResult: function(row) {                         return row[0].split(",")[0];                     },                     autoFill: false                 })             });             &lt;/script&gt;
[解决办法]
query.php返回是json就错了。应该是Array（数组）   比如官方例子的数据["ActionScript","AppleScript","Asp","BASIC","C","C++","Clojure","COBOL","ColdFusion","Erlang","Fortran","Groovy","Haskell","Java","JavaScript","Lisp","Perl","PHP","Python","Ruby","Scala","Scheme"]
[解决办法]
如何用JS写出一个弹出对话框，请各位帮忙。  
  

[解决办法]
如果因为中文问题，一是统一编码是首选。二是把中文编码json_encode 如把"这里是中文标题" 转成 "\u8fd9\u91cc\u662f\u4e2d\u6587\u6807\u9898"

急哪位高手用过jq的autocomplete插件

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