ASP.NET利用JavaScript实现无刷新闪烁二级联动菜单

News_Aclass表---大类表
ClassID Int 4
ClassName varchar 50

News_Anclass表---小类表
NclassID int 4
Nclass varchar 50
ClassID int 4

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-----------------------------------cs------------------------------------------

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using Microsoft.ApplicationBlocks.Data;

namespace HoverPortal.Modules.NewsManager