三级联动DropDownList
<script type="text/javascript">
$(function () {
function reset(obj) {
return $(obj).html("<option>请选择</option>");
}
var Data = { NOKIA: { 高众: "张华，刘强", 黑龙江: "刘钱，张飞" },
Apple: { MicroSoft: "Opera，Tenct", Tecent: "mahuateng，Dog" }
};
$.each(Data, function (PF) {
$("#selectFactory").append("<option>" + PF + "</option>");
})
$("#selectFactory").change(function () {
reset("#selectAgent");
reset("#selectSell");
$.each(Data, function (PF, PA) {
if ($("#selectFactory option:selected").text() == PF) {
$.each(PA, function (PT, PS) {
$("#selectAgent").append("<option>" + PT + "</option>");
})
$("#selectAgent").change(function () {
reset("#selectSell");
$.each(PA, function (PT, PS) {
if ($("#selectAgent option:selected").text() == PT) {
$.each(PS.split('，'), function () {
$("#selectSell").append("<option>" + this + "</option>");
})
}
})
})
}
})
})
})
</script>
</head>
<body>
<form id="form1" runat="server">
<a href="表单应用.aspx">返回</a><br />
<span>请选择需要的产品</span>
<div>
厂家：
<select id="selectFactory">
<option value="请选择">请选择</option>
</select>
代理商：
<select id="selectAgent">
<option value="请选择">请选择</option>
</select>
销售商：
<select id="selectSell">
<option value="请选择">请选择</option>
</select>
<input type="button" value="购买" />
</div>
</form>
</body>
</html>
