TreeView控件，xml,sitemap数据源
Code<%@ Page Language="C#" %>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
TreeView1.ExpandAll();
}
protected void Button2_Click(object sender, System.EventArgs e)
{
TreeView1.CollapseAll();
}
protected void Button3_Click(object sender, System.EventArgs e)
{
if (TreeView1.CheckedNodes.Count > 0)
{
Label1.Text = "We are sending you information on:<p>";
foreach (TreeNode node in TreeView1.CheckedNodes)
{
Label1.Text += node.Text + " " + node.Parent.Text + "<br>";
}
}
else
{
Label1.Text = "You didn't select anything. Sorry!";
}
}
protected void Button4_Click(object sender, System.EventArgs e)
{
TreeNode myNode = new TreeNode();
myNode.Text = TextBox1.Text;
myNode.NavigateUrl = TextBox2.Text;
TreeView2.FindNode("Home/Finance/Markets").ChildNodes.Add(myNode);//给Home/Finance/Markets添加子节点
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Latest Hardware</title>
</head>
<body>
<form id="Form1" runat="server">
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="展开" />
<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="合并" /><br />
Please select the items you are interested in:
<asp:Button ID="Button3" Runat="server" Text="提交" OnClick="Button3_Click" /><p>
<asp:TreeView ID="TreeView1" Runat="server" Font-Underline="False" DataSourceID="XmlDataSource1" ShowCheckBoxes="Leaf">
<DataBindings>
<asp:TreeNodeBinding DataMember="Hardware" Text="Computer Hardware" />
<asp:TreeNodeBinding DataMember="Item" TextField="Category" />
<asp:TreeNodeBinding DataMember="Option" TextField="Choice" />
</DataBindings>
</asp:TreeView>
</p>
<p>
<asp:Label ID="Label1" Runat="Server" ForeColor="Red" />
</p>
<asp:XmlDataSource ID="XmlDataSource1" Runat="server"
DataFile="Hardware.xml">
</asp:XmlDataSource>
<br />
<strong>Text of new node:</strong>
<asp:TextBox ID="TextBox1" runat="server">
</asp:TextBox>
<strong>Desination URL of new node:</strong>
<asp:TextBox ID="TextBox2" runat="server">
</asp:TextBox>
<asp:Button ID="Button4" runat="server" OnClick="Button4_Click" Text="增加节点" /><br />
<br />
<asp:TreeView ID="TreeView2" runat="server" DataSourceID="SiteMapDataSource1">
</asp:TreeView>
<asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" />
</form>
</body>
</html>
Web.sitemap
Code<?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
<siteMapNode title="Home" description="Home Page" url="Default.aspx">
<siteMapNode title="News" description="The Latest News" url="News.aspx">
<siteMapNode title="U.S." description="U.S. News" url="News.aspx?cat=us" />
<siteMapNode title="World" description="World News" url="News.aspx?cat=world" />
<siteMapNode title="Technology" description="Technology News" url="News.aspx?cat=tech" />
<siteMapNode title="Sports" description="Sports News" url="News.aspx?cat=sport" />
</siteMapNode>
<siteMapNode title="Finance" description="The Latest Financial Information" url="Finance.aspx">
<siteMapNode title="Quotes" description="Get the Latest Quotes" url="Quotes.aspx" />
<siteMapNode title="Markets" description="The Latest Market Information" url="Markets.aspx"/>
<siteMapNode title="U.S. Market Report" description="Looking at the U.S. Market" url="MarketsUS.aspx" />
<siteMapNode title="NYSE" description="The New York Stock Exchange" url="NYSE.aspx" />
</siteMapNode>
<siteMapNode title="Funds" description="Mutual Funds" url="Funds.aspx" />
<siteMapNode title="Weather" description="The Latest Weather" url="Weather.aspx" />
</siteMapNode>
</siteMap>
Hardware.xml
Code<?xml version="1.0" encoding="utf-8"?>
<Hardware>
<Item Category="Motherboards">
<Option Choice="Asus" />
<Option Choice="Abit" />
</Item>
<Item Category="Memory">
<Option Choice="128mb" />
<Option Choice="256mb" />
<Option Choice="512mb" />
</Item>
<Item Category="HardDrives">
<Option Choice="40GB" />
<Option Choice="80GB" />
<Option Choice="100GB" />
</Item>
<Item Category="Drives">
<Option Choice="CD" />
<Option Choice="DVD" />
<Option Choice="DVD Burner" />
</Item>
</Hardware>
根据一个010101序列号，初始化treeview
有时候出问题
Code<%@ Master Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
string Purview = "101";
char[] char_Purview = Purview.ToCharArray(); //二进制串赋值到字符数组
TreeNode[] trrarr = new TreeNode[char_Purview.Length];
for (int k = 0; k < trrarr.Length - 1; k++)
{
trrarr[k] = TreeView1.Nodes[k];
}
for (int k = 0; k < trrarr.Length - 1; k++)
{
if (char_Purview[k] == '0')
{
TreeView1.Nodes.Remove(trrarr[k]);
}
}
}
</script>
<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:contentplaceholder id="ContentPlaceHolder1" runat="server">
<asp:TreeView ID="TreeView1" runat="server">
<Nodes>
<asp:TreeNode Text="新建节点1" Value="新建节点" NavigateUrl="Default2.aspx"></asp:TreeNode>
<asp:TreeNode Text="新建节点2" Value="新建节点" NavigateUrl="Default2.aspx"></asp:TreeNode>
<asp:TreeNode Text="新建节点3" Value="新建节点" NavigateUrl="Default2.aspx"></asp:TreeNode>
</Nodes>
</asp:TreeView>
</asp:contentplaceholder>
</div>
</form>
</body>
</html>
其他链接：http://www.cnblogs.com/czh-liyu/archive/2007/11/27/974523.html
http://www.cnblogs.com/ziyiFly/archive/2008/09/19/1293996.html
