<?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
<siteMapNode url="~/" title="首页" description="this is shouye">
<siteMapNode url="~/list.aspx" title="列表页" description="this is liebiao" />
<siteMapNode url="~/commnet.aspx" title="相同" description="this is 相同" />
<siteMapNode url="~/Default.aspx" title="你好" description="this is lo" />
</siteMapNode>
</siteMap>
<%@ 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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" DataSourceID="SiteMapDataSource1"
ShowLines="True" >
</asp:TreeView>
<asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" />
</div>
</form>
</body>
</html>
运行时说XmlSiteMapProvider 所需的文件 web.sitemap 不存在 ,怎样改才能运行成功
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
<siteMapNode url="~/" title="首页" description="this is shouye">
<siteMapNode url="~/list.aspx" title="列表页" description="this is liebiao" />
<siteMapNode url="~/commnet.aspx" title="相同" description="this is 相同" />
<siteMapNode url="~/Default.aspx" title="你好" description="this is lo" />
</siteMapNode>
</siteMap>
<%@ 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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="TreeView1" runat="server" DataSourceID="SiteMapDataSource1"
ShowLines="True" >
</asp:TreeView>
<asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" />
</div>
</form>
</body>
</html>
运行时说XmlSiteMapProvider 所需的文件 web.sitemap 不存在 ,怎样改才能运行成功
解决方案 »
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在<system.web></system.web>
之间加上
<siteMap defaultProvider="XmlSiteMapProvider" enabled="true">
<providers>
<add name="XmlSiteMapProvider" description="" type="System.Web.XmlSiteMapProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" siteMapFile="网站的站点地图文件名" securityTrimmingEnabled="true"/>
</providers>
</siteMap>
已知有一个XML文档(bookstore.xml)如下:
<?xml version="1.0" encoding="gb2312"?>
<bookstore>
<book genre="fantasy" ISBN="2-3631-4">
<title>Oberons Legacy</title>
<author>Corets, Eva</author>
<price>5.95</price>
</book>
</bookstore>1、往<bookstore>节点中插入一个<book>节点:XmlDocument xmlDoc=new XmlDocument();
xmlDoc.Load("bookstore.xml");
XmlNode root=xmlDoc.SelectSingleNode("bookstore");//查找<bookstore>
XmlElement xe1=xmlDoc.CreateElement("book");//创建一个<book>节点
xe1.SetAttribute("genre","李赞红");//配置该节点genre属性
xe1.SetAttribute("ISBN","2-3631-4");//配置该节点ISBN属性XmlElement xesub1=xmlDoc.CreateElement("title");
xesub1.InnerText="CS从入门到精通";//配置文本节点
xe1.AppendChild(xesub1);//添加到<book>节点中
XmlElement xesub2=xmlDoc.CreateElement("author");
xesub2.InnerText="候捷";
xe1.AppendChild(xesub2);
XmlElement xesub3=xmlDoc.CreateElement("price");
xesub3.InnerText="58.3";
xe1.AppendChild(xesub3);root.AppendChild(xe1);//添加到<bookstore>节点中
xmlDoc.Save("bookstore.xml");
//================
结果为:<?xml version="1.0" encoding="gb2312"?>
<bookstore>
<book genre="fantasy" ISBN="2-3631-4">
<title>Oberons Legacy</title>
<author>Corets, Eva</author>
<price>5.95</price>
</book>
<book genre="李赞红" ISBN="2-3631-4">
<title>CS从入门到精通</title>
<author>候捷</author>
<price>58.3</price>
</book>
</bookstore>2、修改节点:将genre属性值为“李赞红“的节点的genre值改为“update李赞红”,将该节点的子节点<author>的文本修改为“亚胜”。
XmlNodeList nodeList=xmlDoc.SelectSingleNode("bookstore").ChildNodes;//获取bookstore节点的任何子节点
foreach(XmlNode xn in nodeList)//遍历任何子节点
{
XmlElement xe=(XmlElement)xn;//将子节点类型转换为XmlElement类型
if(xe.GetAttribute("genre")=="李赞红")//假如genre属性值为“李赞红”
{
xe.SetAttribute("genre","update李赞红");//则修改该属性为“update李赞红”XmlNodeList nls=xe.ChildNodes;//继续获取xe子节点的任何子节点
foreach(XmlNode xn1 in nls)//遍历
{
XmlElement xe2=(XmlElement)xn1;//转换类型
if(xe2.Name=="author")//假如找到
{
xe2.InnerText="亚胜";//则修改
break;//找到退出来就能够了
}
}
break;
}
}xmlDoc.Save("bookstore.xml");//保存。//=================最后结果为:
<?xml version="1.0" encoding="gb2312"?>
<bookstore>
<book genre="fantasy" ISBN="2-3631-4">
<title>Oberons Legacy</title>
<author>Corets, Eva</author>
<price>5.95</price>
</book>
<book genre="update李赞红" ISBN="2-3631-4">
<title>CS从入门到精通</title>
<author>亚胜</author>
<price>58.3</price>
</book>
</bookstore>3、删除 <book genre="fantasy" ISBN="2-3631-4">节点的genre属性,删除 <book genre="update李赞红" ISBN="2-3631-4">节点。
XmlNodeList xnl=xmlDoc.SelectSingleNode("bookstore").ChildNodes;foreach(XmlNode xn in xnl)
{
XmlElement xe=(XmlElement)xn;
if(xe.GetAttribute("genre")=="fantasy")
{
xe.RemoveAttribute("genre");//删除genre属性
}
else if(xe.GetAttribute("genre")=="update李赞红")
{
xe.RemoveAll();//删除该节点的全部内容
}
}
xmlDoc.Save("bookstore.xml");//====================最后结果为:
<?xml version="1.0" encoding="gb2312"?>
<bookstore>
<book ISBN="2-3631-4">
<title>Oberons Legacy</title>
<author>Corets, Eva</author>
<price>5.95</price>
</book>
<book>
</book>
</bookstore>
4、显示任何数据。
XmlNode xn=xmlDoc.SelectSingleNode("bookstore");XmlNodeList xnl=xn.ChildNodes;foreach(XmlNode xnf in xnl)
{
XmlElement xe=(XmlElement)xnf;
Console.WriteLine(xe.GetAttribute("genre"));//显示属性值
Console.WriteLine(xe.GetAttribute("ISBN"));XmlNodeList xnf1=xe.ChildNodes;
foreach(XmlNode xn2 in xnf1)
{
Console.WriteLine(xn2.InnerText);//显示子节点点文本
}
}
private void button1_Click(object sender, EventArgs e)
{
XmlDocument doc = new XmlDocument();
XmlDeclaration declare = doc.CreateXmlDeclaration("1.0", "gb2312", null);
doc.AppendChild(declare); XmlElement root = doc.CreateElement("class");
doc.AppendChild(root); XmlElement student = doc.CreateElement("stu");
root.AppendChild(student); student.SetAttribute("sex","男");
student.SetAttribute("age","20"); doc.Save("d:\\qq.xml");
} private void button2_Click(object sender, EventArgs e)
{
XmlDocument doc = new XmlDocument();
doc.Load("d:\\qq.xml");
XmlNode root = doc.SelectSingleNode("class"); XmlElement student = doc.CreateElement("stu");
student.SetAttribute("sex", "male");
student.SetAttribute("age", "21");
student.InnerText = "lis";
root.AppendChild(student); doc.Save("d:\\qq.xml");
} private void button3_Click(object sender, EventArgs e)
{
XmlDocument doc = new XmlDocument();
doc.Load("d:\\qq.xml"); XmlNodeList nodes = doc.SelectNodes("//stu[@age='21']");
for (int nI = 0; nI < nodes.Count; nI++)
{
XmlElement temp = nodes[nI] as XmlElement;
if (temp != null)
{
temp.SetAttribute("sex", "女");
}
}
doc.Save("d:\\qq.xml");
} private void button4_Click(object sender, EventArgs e)
{
XmlDocument doc = new XmlDocument();
doc.Load("d:\\qq.xml");
XmlNode root = doc.SelectSingleNode("class");
XmlNodeList nodes = doc.SelectNodes("//stu[@age='21']");
for (int nI = 0; nI < nodes.Count; nI++)
{
root.RemoveChild(nodes[nI]);
}
doc.Save("d:\\qq.xml");
}
}