speccode.on("change",onspecialitychange);
year.on("change",onyearchange);
timeslist.on("change",ontimeslistchagne);
}
};
YUI().use("node","datatype-number","io-base",function(Y) {
function onload(e)
{
Demo.show.Test(e,Y);
}
Y.on("load", onload, window);
});
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Test.aspx.cs" Inherits="Test" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="sheng" runat="server">
</asp:DropDownList>
<asp:DropDownList ID="speciality" runat="server">
</asp:DropDownList>
<asp:DropDownList ID="year" runat="server">
</asp:DropDownList>
<asp:DropDownList ID="times" runat="server">
</asp:DropDownList>
</div>
</form>
</body>
</html>
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
public partial class Test : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.ClientScript.IsClientScriptIncludeRegistered("YUI"))
Page.ClientScript.RegisterClientScriptInclude("YUI", path + "/build/yui/yui-min.js");
if (!Page.ClientScript.IsClientScriptIncludeRegistered("CLINET"))
Page.ClientScript.RegisterClientScriptInclude("CLINET", path + "/js/clinet.js");
StringBuilder scriptBlock = new StringBuilder();
scriptBlock.Append("<script type="text/javascript"><!--
");
scriptBlock.Append("Demo.config={");
scriptBlock.Append("sheng:'" + this.sheng.ClientID + "',");
scriptBlock.Append("speciality:'" + this.specialityList.ClientID + "',");
scriptBlock.Append("years:'" + this.yearList.ClientID + "',");
scriptBlock.Append("times:'" + this.timesList.ClientID + "'");
scriptBlock.Append("};");
scriptBlock.Append("
// --></script>");
Page.ClientScript.RegisterClientScriptBlock(GetType(), "QualityAssessmentPlanCascadingDropDown", scriptBlock.ToString());
}
}
这上面为主要代码，上面那段JS我实际写的请求的是一个WEBService ，你可以换一个aspx页面都行，
还有一些后台处理的到数据的就没有贴出来了，每一个级联请求的后台都是返回一个对象数组 ，具体的解释就不用说了， 不懂的在讨论。。。
