前台代码 注意 一定要加上Target="contentFrame"否则跳转的时候 跳不到内容框架
Page Language="C#" AutoEventWireup="true" CodeFile="Left.aspx.cs" Inherits="Left" %>
<html>
<head id="Head1" runat="server">
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link href="../Style/Style.css" rel="stylesheet" type="text/css" />
</head>
<body leftmargin="0" topmargin="0" bgcolor="#f7faff">
<form id="form1" runat="server">
<table width="200" border="0" cellpadding="0" cellspacing="0">
<tr>
<td>
<table cellpadding="0" cellspacing="0" border="0" style="color: White; font-family: 宋体, Arial;
font-size: 12px;">
<tr>
<td align="left" background="../images/czy.png" width="200" height="30">
登录人: <asp:Label
ID="lbLoginUser" runat="server"></asp:Label>
</td>
</tr>
</table>
</td>
</tr>
</table>
<table width="200" border="0" cellpadding="0" cellspacing="0">
<tr>
<td align="left" valign="top">
<div style="height: 480px; overflow:scroll; scrollbar-face-color: #DBEBFE; scrollbar-shadow-color: #B8D6FA;
scrollbar-highlight-color: #FFFFFF; scrollbar-3dlight-color: #DBEBFE; scrollbar-darkshadow-color: #458CE4;
scrollbar-track-color: #FFFFFF; scrollbar-arrow-color: #458CE4">
<asp:TreeView ID="tvMenu1" runat="server" EnableViewState="False" BackColor="#f7faff"
ForeColor="Black" ShowLines="True" Target="contentFrame" ExpandDepth="1">
</form>
</body>
</html>
后台代码
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data;
using System.IO;
using NetBuild.Common;
using NetBuild.Models;
using NetBuild.Bussiness;
using System.Linq;
public partial class Left : System.Web.UI.Page
{
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
TreeNode tmpNode;
lbLoginUser.Text = Session["LoginName"].ToString();
AddTreeNode(-1, (System.Web.UI.WebControls.TreeNode)null);
}
}
public DataTable bind()
{
string str1 = "select * from Common_Menu ";
DataSet myds = new DataSet();
myds = SQLHelper.GetDataSet(str1);
return myds.Tables[0];
}
protected void AddTreeNode(int ParentMenuID, System.Web.UI.WebControls.TreeNode pNode)
{
DataTable dt = bind();
DataView dv = new DataView(dt);
//过滤parentId，得到当前节点的所有子节点
dv.RowFilter = "ParentMenuID=" + ParentMenuID;
//foreach (DataRow b in dt.Rows)
//{
// ParentMenuID = Convert.ToInt32(b["ParentMenuID"].ToString());
//}
foreach (DataRowView drv in dv)
{
if (ParentMenuID == -1)
{
System.Web.UI.WebControls.TreeNode tn1 = new System.Web.UI.WebControls.TreeNode();
tn1.Text = drv["MenuName"].ToString(); //节点上要显示的名称
tn1.Value = drv["MenuID"].ToString();
tn1.ImageUrl = drv["Icon"].ToString();
tn1.NavigateUrl = drv["MenuUrl"].ToString(); //点击节点名称，跳转到指定url页面
tvMenu1.Nodes.Add(tn1); //将根节点加入到TreeView中去
tn1.Expanded = true;
//tn1.SelectAction = TreeNodeSelectAction.Expand;
tn1.ShowCheckBox = false;
//递归调用
AddTreeNode(Int32.Parse(drv["MenuID"].ToString()), tn1);
}
else
{
System.Web.UI.WebControls.TreeNode tn2 = new System.Web.UI.WebControls.TreeNode();
tn2.Text = drv["MenuName"].ToString();
tn2.Value = drv["MenuID"].ToString();
tn2.ImageUrl = drv["Icon"].ToString();
tn2.NavigateUrl = drv["MenuUrl"].ToString();
pNode.ChildNodes.Add(tn2);
tn2.ShowCheckBox = false;
tn2.Expanded = true;
//递归调用
AddTreeNode(Int32.Parse(drv["MenuID"].ToString()), tn2);
}
}
}
}
