无限级treeview设计
数据库设计
aspx页面如下
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>无限级树</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" ImageSet="BulletedList3" ShowLines="True">
</asp:TreeView>
</div>
</form>
</body>
</html>
代码如下：
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Data.SqlClient;public partial class _Default : System.Web.UI.Page
{protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
this.buildTree();
}
}/// <summary>
/// 创建树
/// </summary>
private void buildTree()
{
DataSet ds
= ExecuteDataSet("select * from treetest");//建立关系
}
}
}
s
= childRow["treename"].ToString();
显示结果
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