<%@ Page Language="C#" AutoEventWireup="true" CodeFile="sanjilandong.aspx.cs" Inherits="sanjilandong" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="JS/jquery-1.7.2.min.js"></script>
</head>
<body>
<form id="form1" runat="server">
<div>
<select id="s1"></select>
<select id="s2"></select>
<select id="s3"></select>
</div>
</form>
</body>
</html>
<script type="text/ecmascript">
wait("1");
function wait(a) {
if (a == "1") {
$.ajax({
url: "liandong.ashx",
data: { "code": "0001" },
type: "post",
dataType: "json",
success: function (m) {
$("#s1").text("");
for (i in m) {
var ss = "<option value='" + m[i].code + "'>" + m[i].name + "</option>";
$("#s1").append(ss);
}
},
beforeSend: function () { alert('数据传输中!'); },
error: function () { alert('数据错误!'); },
complete: function () {
alert('数据传输完成!');
wait("2");
}
});
}
if (a == "2") {
$.ajax({
url: "liandong.ashx",
data: { "code": $("#s1").val() },
type: "post",
dataType: "json",
success: function (m) {
$("#s2").text("");
for (i in m) {
var ss = "<option value='" + m[i].code + "'>" + m[i].name + "</option>";
$("#s2").append(ss);
}
},
beforeSend: function () { alert('数据传输中!'); },
error: function () { alert('数据错误!'); },
complete: function () {
alert('数据传输完成!');
wait("3");
}
});
}
if (a == "3") {
$.ajax({
url: "liandong.ashx",
data: { "code": $("#s2").val() },
type: "post",
dataType: "json",
success: function (m) {
$("#s3").text("");
for (i in m) {
var ss = "<option value='" + m[i].code + "'>" + m[i].name + "</option>";
$("#s3").append(ss);
}
},
beforeSend: function () { alert('数据传输中!'); },
error: function () { alert('数据错误!'); },
complete: function () { alert('数据传输完成!'); }
});
}
}
$("#s1").change(function () { wait("2"); });
$("#s2").change(function () { wait("3"); });
</script>
StringBuilder sb = new StringBuilder();
sb.Append("[");
string a = context.Request["code"];
using (liandongDataContext con = new liandongDataContext())
{
int c = 0;
List<ChinaStates> cs = con.ChinaStates.Where(r => r.ParentAreaCode == a).ToList();
foreach (ChinaStates cc in cs)
{
if (c > 0)
{
sb.Append(",{\"code\":\"" + cc.AreaCode + "\",\"name\":\"" + cc.AreaName + "\"}");
}
else
{
sb.Append("{\"code\":\"" + cc.AreaCode + "\",\"name\":\"" + cc.AreaName + "\"}");
}
c++;
}
}
sb.Append("]");
context.Response.Write(sb);
context.Response.End();
