<script type="text/javascript">
$(document).ready(function() {
GetByJquery();
$("#ddlProvince").change(function() { GetCity() });
$("#ddlCity").change(function() { GetDistrict() });
});
function GetByJquery() {
$("#ddlProvince").empty(); //清空省份SELECT控件
$.getJSON("/ajax/GetProvinceList", function(data) {
$.each(data, function(i, item) {
$("<option></option>")
.val(item["ProvinceID"])
.text(item["ProvinceName"])
.appendTo($("#ddlProvince"));
});
GetCity();
});
}
function GetCity() {
$("#ddlCity").empty(); //清空城市SELECT控件
var url ="/ajax/GetCityList/" + $("#ddlProvince").val();
$.getJSON(url, function(data) {
$.each(data, function(i, item) {
$("<option></option>")
.val(item["CityID"])
.text(item["CityName"])
.appendTo($("#ddlCity"));
});
GetDistrict();
});
}
function GetDistrict() {
$("#ddlDistrict").empty(); //清空市区SELECT控件
var url = "/ajax/GetDistrictList/" + $("#ddlCity").val();
$.getJSON(url, function(data) {
$.each(data, function(i, item) {
$("<option></option>")
.val(item["DistrictID"])
.text(item["DistrictName"])
.appendTo($("#ddlDistrict"));
});
});
}
</script>
<table>
<tr>
<td><select id="ddlProvince"/></td>
<td><select id="ddlCity"/></td>
<td><select id="ddlDistrict" /></td>
</tr>
</table>
转自:http://group.cnblogs.com/topic/9741.html