<%@ Import Namespace="System.Collections.Specialized" %><%NameValueCollection d = new NameValueCollection(); d.Add("a", "Microsoft"); //添加键和条目对。 d.Add("b", "IBM"); d.Add("c", "Oracle"); d["c"] = "Sun";   //更改键c的键值值 d["d"] = "Oracle";   //新建一个键并赋值  Response.Write("<br />下面列出所有的键名：<br />"); NameObjectCollectionBase.KeysCollection theKey; theKey = d.Keys; //获取键 foreach (string key in theKey) {     //循环使用数组     Response.Write(key + "<br />");     //返回所有键的名称 }  Response.Write("<br />下面是键名和键值的对照（使用键名）：<br />"); foreach (string key in theKey) {     //循环使用数组     Response.Write(key + "=" + d[key] + "<br />");//返回键名和键值的对照 }  Response.Write("<br />下面是键名和键值的对照（使用索引）：<br />"); for (int i = 0; i <= d.Count - 1; i++) {     Response.Write(d.GetKey(i) + "=" + d[i] + "<br />"); }%>

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