Jquery.TreeView结合ASP.Net和数据库生成菜单导航条

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Web.UI.HtmlControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataSet ds = getDate();
createmenu(ds, null, tree);
}
}
public DataSet getDate()
{
DataSet ds = new DataSet();
string config = System.Configuration.ConfigurationManager.ConnectionStrings["LiveOffice"].ToString();
SqlConnection conn = new SqlConnection(config);
SqlDataAdapter da = new SqlDataAdapter("select * from SystemMenu order by M_Sort", conn);
da.Fill(ds);
return ds;
}
private void createmenu(DataSet ds, string parentId, HtmlGenericControl UL)
{
DataRow[] rows;
if (string.IsNullOrEmpty(parentId))
rows = ds.Tables[0].Select("M_ParentID is null");//过滤
else
rows = ds.Tables[0].Select("M_ParentID='" + parentId + "'");//过滤
foreach (DataRow t in rows)
{
DataRow[] childern = ds.Tables[0].Select("M_ParentID =" + t["M_ID"].ToString());//用于判断是否有子节点
HtmlGenericControl serverLi = new HtmlGenericControl("li");//生成Li标签，作为父节点
if (childern.Length != 0 || parentId == "")//是父节点
{
serverLi.InnerText = t["M_name"].ToString();
HtmlGenericControl serverUL = new HtmlGenericControl("ul");
serverLi.Controls.Add(serverUL);
UL.Controls.Add(serverLi);
createmenu(ds, t["M_ID"].ToString(), serverUL);
}
else
{
//生成标签a
HtmlAnchor NewAnchorControl = new HtmlAnchor();
// 设置标签a的属性
NewAnchorControl.Name = "NewAnchorControl";
NewAnchorControl.InnerHtml = t["M_Name"].ToString();
NewAnchorControl.HRef = t["M_URL"].ToString();
NewAnchorControl.Target = "_black";//设置显示的位置，这里改一下
serverLi.Controls.Add(NewAnchorControl);
UL.Controls.Add(serverLi);
createmenu(ds, t["M_ID"].ToString(), UL);
}
}
}
}