-- 发布时间：6/17/2005 9:10:00 AM
-- 来看看asp.net2.0 下的treeview树
[B][B]我不会asp和asp.net这是自个瞎琢磨的，希望能给大家带来一点帮助，请大家斧正
环境：asp.net2.0 windows2000
Visual Web Developer 2005 Express Edition Beta下制作
用的都是最简单的办法，所以效率不是很好，做了一半，修改还没做。
一个是闪的问题没解决，还有重复提交的问题，太深，自己没能懂，希望大家给提提
有个关于正则是的问题：验证只能输入中文数字和字母，开头还不能是数字的正则式那位高手给发一个，谢谢了treemenu.aspx
%@ Page Language="C#" Debug="true" %>
<% @ Import Namespace="System.IO" %>
<% @ Import Namespace="System.Text" %>
<% @ Import Namespace="System.Xml" %>
<% @ Import Namespace="System.Data" %>
<% @ Import Namespace="System.Xml.XPath" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<script runat="server">
void Page_Load(object sender, EventArgs e)
{
}
void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
{
if (TreeView1.SelectedNode.ChildNodes.Count != 0)
{
Button1.Enabled = true;
Button2.Enabled = true;
Button3.Enabled = true;
}
if (TreeView1.SelectedNode.ChildNodes.Count == 0)
{
string docpath = TreeView1.SelectedNode.ValuePath.ToString();
string filname = "books.xml";
docpath = Regex.Replace(docpath, "/", "//");
XmlDocument doc1 = new XmlDocument();
doc1.Load(Server.MapPath("./data/" + filname));
XmlElement selectEle = (XmlElement)doc1.SelectSingleNode(docpath);
string leftpop = selectEle.InnerText.ToString();
IFRAME1.Attributes.Add("src", "./data/" + leftpop);
Button2.Enabled = true;
Button3.Enabled = true;
Button1.Enabled = false;
Label1.Text = leftpop;
if (leftpop == "")
{
Button1.Enabled = true;
}
}
TextBox1.Text = TreeView1.SelectedNode.Text;
TextBox2.Text = TreeView1.SelectedNode.Text;
}
void Button3_Click(object sender, EventArgs e)
{
string filname = "books.xml";
XmlDocument doc1 = new XmlDocument();
doc1.Load(Server.MapPath("./data/" + filname));
string docpath = TreeView1.SelectedNode.ValuePath.ToString();
docpath = Regex.Replace(docpath, "/", "//");
XmlNode chn = (XmlNode)doc1.SelectSingleNode(docpath);
string leftpop = chn.Name.ToString();
XmlNode parentN = chn.ParentNode;
if (leftpop != "福奥通公司")
{
parentN.RemoveChild(chn);
doc1.Save(Server.MapPath("./data/" + filname));
TreeView1.DataSourceID = "XmlDataSource1";
}
Button2.Enabled = false;
Button1.Enabled = false;
Button3.Enabled = false;
}
void Button1_Click(object sender, EventArgs e)
{
string filname = "books.xml";
XmlDocument doc1 = new XmlDocument();
doc1.Load(Server.MapPath("./data/" + filname));
string docpath = TreeView1.SelectedNode.ValuePath.ToString();
docpath = Regex.Replace(docpath, "/", "//");
XmlElement selectEle = (XmlElement)doc1.SelectSingleNode(docpath);
string xuzelei = TreeView1.SelectedNode.Text;
if (xuzelei!= TextBox1.Text)
{
if (TextBox1.Text != "")
{
//XmlElement fenleiEle = doc1.CreateElement(TextBox1.Text);
//selectEle.AppendChild(fenleiEle);
//doc1.Save(Server.MapPath("./data/" + filname));
//TreeView1.DataSourceID = "XmlDataSource1";
}
}
Button2.Enabled = false;
Button1.Enabled = false;
Button3.Enabled = false;
}
void Button2_Click(object sender, EventArgs e)
{
Button1.Enabled = false;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" Runat="server" DataSourceID="XmlDataSource1"
ShowLines="True" OnSelectedNodeChanged="TreeView1_SelectedNodeChanged">
<SelectedNodeStyle BackColor="Blue"></SelectedNodeStyle>
</asp:TreeView>
<asp:XmlDataSource ID="XmlDataSource1" Runat="server" DataFile="~/data/books.xml">
</asp:XmlDataSource>
<asp:Label ID="Label1" Runat="server" Text="Label"></asp:Label>
</div>
<iframe id="IFRAME1" style="BORDER-RIGHT: 0px solid; BORDER-TOP: 0px solid; Z-INDEX: 103; LEFT: 256px; BORDER-LEFT: 0px solid; WIDTH: 392px; BORDER-BOTTOM: 0px solid; POSITION: absolute; TOP: 0px; HEIGHT: 504px"
runat="server"></iframe>
<asp:Button ID="Button3" Runat="server" Text="删除分类" OnClick="Button3_Click" Enabled="False" /> <br />
<br />
<asp:Button ID="Button1" Runat="server" Text="添加分类" OnClick="Button1_Click" Enabled="False" />
<asp:TextBox ID="TextBox1" Runat="server">在此添加！！</asp:TextBox> <br />
<asp:RegularExpressionValidator id="RegularExpressionValidator1" runat="server" ControlToValidate="TextBox1" ValidationExpression="^[a-zA-Z][a-zA-Z0-9_][\u4e00-\u9fa5]" Display="Static" Font-Size="10pt">
Zip code must be 5 numeric digits↑↑↑↑
</asp:RegularExpressionValidator>
<br />
<asp:Button ID="Button2" Runat="server" Text="修改分类" OnClick="Button2_Click" Enabled="False" />
<asp:TextBox ID="TextBox2" Runat="server">在此更改！！</asp:TextBox> <br />
</form>
</body>
</html>
books.xml
<?xml version="1.0" encoding="utf-8"?>
<福奥通公司>
<产品>
<显示器>
<比克>
<B1532>
<B1588 no="1">ceshi</B1588>
<B15 no="2">ceshi</B15>
</B1532>
<B1598>cp1.xml</B1598>
</比克>
<AOC>
</AOC>
</显示器>
<刻录盘>
<明基>
<B48X>../boxlist1.aspx</B48X>
<B52X>cp3.xml</B52X>
<DVD8X>8x</DVD8X>
<CDRW>rw</CDRW>
</明基>
</刻录盘>
<键盘>
<明基>
<color>
<特色 />
</color>
<color />
</明基>
</键盘>
<光驱>
</光驱>
</产品>
</福奥通公司>[/B][/B]