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ASP.NET Tutorial/ASP.net Controls/TreeView - История изменений
2026-04-29T21:10:59Z
История изменений этой страницы в вики
MediaWiki 1.30.0
http://nfex.ru/index.php?title=ASP.NET_Tutorial/ASP.net_Controls/TreeView&diff=3412&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:57Z
<p></p>
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<tr style="vertical-align: top;" lang="ru">
<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:30, 26 мая 2010</td>
</tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div>
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http://nfex.ru/index.php?title=ASP.NET_Tutorial/ASP.net_Controls/TreeView&diff=3413&oldid=prev
Admin: 1 версия
2010-05-26T12:00:51Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Binding to an XML File==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
File: Data.xml<br />
<movies><br />
<action><br />
<StarWars /><br />
<IndependenceDay /><br />
</action><br />
<horror><br />
<Jaws /><br />
<NightmareBeforeChristmas /><br />
</horror><br />
</movies><br />
<br />
File: TreeViewXml.aspx<br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>TreeView XML</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:TreeView<br />
id="TreeView1"<br />
DataSourceID="srcMovies"<br />
Runat="server" /><br />
<asp:XmlDataSource<br />
id="srcMovies"<br />
DataFile="~/Data.xml"<br />
Runat="server" /><br />
</div><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Complex tree view==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
File: Data.xml<br />
<movies><br />
<category id="category1" text="Action"><br />
<movie id="movie1" text="Star Wars" /><br />
<movie id="movie2" text="Independence Day" /><br />
</category><br />
<category id="category2" text="Horror"><br />
<movie id="movie3" text="Jaws" /><br />
<movie id="movie4" text="Nightmare Before Christmas" /><br />
</category><br />
</movies><br />
<br />
File: TreeViewXMLComplex.aspx<br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>TreeView XML Complex</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:TreeView<br />
id="TreeView1"<br />
DataSourceID="srcMovies"<br />
Runat="server"><br />
<DataBindings><br />
<asp:TreeNodeBinding<br />
DataMember="category"<br />
TextField="text"<br />
ValueField="id" /><br />
<asp:TreeNodeBinding<br />
DataMember="movie"<br />
TextField="text"<br />
ValueField="id" /><br />
</DataBindings><br />
</asp:TreeView><br />
<asp:XmlDataSource<br />
id="srcMovies"<br />
DataFile="~/Data.xml"<br />
Runat="server" /><br />
</div><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Displaying a Site Map with a TreeView control.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>TreeView Site Map</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:TreeView<br />
id="TreeView1"<br />
DataSourceID="srcSiteMap"<br />
Runat="server" /><br />
<asp:SiteMapDataSource<br />
id="srcSiteMap"<br />
Runat="server" /><br />
</div><br />
</form><br />
</body><br />
</html><br />
<br />
File: Web.sitemap<br />
<siteMap xmlns="http://schemas.microsoft.ru/AspNet/SiteMap-File-1.0" ><br />
<siteMapNode<br />
url="Default.aspx"<br />
title="Home"<br />
description="The Home Page"><br />
<siteMapNode<br />
url="Products/Default.aspx"<br />
title="Our Products"<br />
description="Products that we offer"><br />
<siteMapNode<br />
url="Products/FirstProduct.aspx"<br />
title="First Product"<br />
description="The description of the First Product" /><br />
<siteMapNode<br />
url="Products/SecondProduct.aspx"<br />
title="Second Product"<br />
description="The description of the Second Product" /><br />
</siteMapNode><br />
<siteMapNode<br />
url="Services/Default.aspx"<br />
title="Our Services"<br />
description="Services that we offer"><br />
<siteMapNode<br />
url="Services/FirstService.aspx"<br />
title="First Service"<br />
description="The description of the First Service"<br />
metaDescription="The first service" /><br />
<siteMapNode<br />
url="Services/SecondService.aspx"<br />
title="Second Service"<br />
description="The description of the Second Service" /><br />
</siteMapNode><br />
</siteMapNode><br />
</siteMap></source><br />
<br />
<br />
<br />
== Displaying TreeView check boxes.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<script runat="server"><br />
protected void btnSubscribe_Click(object sender, EventArgs e)<br />
{<br />
foreach (TreeNode node in TreeView1.CheckedNodes)<br />
bltSubscribed.Items.Add(node.Text);<br />
}<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>TreeView CheckBoxes</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
Select the Newsgroups which you<br />
would like to join:<br />
<br /><br />
<asp:TreeView<br />
id="TreeView1"<br />
ShowCheckBoxes="Leaf"<br />
Runat="server"><br />
<Nodes><br />
<asp:TreeNode<br />
Text="Programming"><br />
<asp:TreeNode Text="ASP.NET" /><br />
<asp:TreeNode Text="JAVA" /><br />
<asp:TreeNode Text="Cold Fusion" /><br />
</asp:TreeNode><br />
<asp:TreeNode<br />
Text="Sports"><br />
<asp:TreeNode Text="Baseball" /><br />
<asp:TreeNode Text="Hockey" /><br />
<asp:TreeNode Text="Football" /><br />
</asp:TreeNode><br />
</Nodes><br />
</asp:TreeView><br />
<br /><br />
<asp:Button<br />
id="btnSubscribe"<br />
Text="Subscribe"<br />
OnClick="btnSubscribe_Click"<br />
Runat="server" /><br />
<hr /><br />
You selected:<br />
<asp:BulletedList<br />
id="bltSubscribed"<br />
EnableViewState="false"<br />
Runat="server" /><br />
</div><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Selecting a TreeView node.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<script runat="server"><br />
protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)<br />
{<br />
lblMessage.Text = TreeView1.SelectedValue;<br />
}<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>TreeView Value</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div class="content"><br />
<asp:TreeView<br />
id="TreeView1"<br />
OnSelectedNodeChanged="TreeView1_SelectedNodeChanged"<br />
Runat="server" ><br />
<Nodes><br />
<asp:TreeNode<br />
Text="Home"<br />
Value="Home"><br />
<asp:TreeNode<br />
Text="Products"><br />
<asp:TreeNode<br />
Text="First Product"<br />
Value="FirstProduct" /><br />
<asp:TreeNode<br />
Text="Second Product"<br />
Value="SecondProduct" /><br />
</asp:TreeNode><br />
<asp:TreeNode<br />
Text="Services"><br />
<asp:TreeNode<br />
Text="First Service"<br />
Value="FirstService" /><br />
<asp:TreeNode<br />
Text="Second Service"<br />
Value="SecondService" /><br />
</asp:TreeNode><br />
</asp:TreeNode><br />
</Nodes><br />
</asp:TreeView><br />
</div><br />
<div class="content"><br />
You selected:<br />
<asp:Label<br />
id="lblMessage"<br />
EnableViewState="false"<br />
Runat="server" /><br />
</div><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Tree style with XML data==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ page language="VB" %><br />
<script runat="server"><br />
</script><br />
<html><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form runat="server"><br />
<asp:treeview id="TreeView1" <br />
runat="server" <br />
font-underline="False" <br />
datasourceid="XmlDataSource1"<br />
font-names="Tahoma" <br />
font-size="8pt" <br />
font-italic="False" <br />
font-bold="False" <br />
imageset="XP_Explorer"<br />
forecolor="Black" <br />
nodeindent="15" <br />
autogeneratebindings="False"><br />
<selectednodestyle backcolor="#B5B5B5" <br />
font-underline="False" <br />
font-italic="False"<br />
font-bold="False"><br />
</selectednodestyle><br />
<hovernodestyle forecolor="#6666AA" <br />
font-underline="True" <br />
font-italic="False" <br />
font-bold="False"><br />
</hovernodestyle><br />
<bindings><br />
<asp:treenodebinding value="My Bookstore" depth="0" text="My Bookstore"><br />
</asp:treenodebinding><br />
<asp:treenodebinding datamember="genre" textfield="name" depth="1"><br />
</asp:treenodebinding><br />
<asp:treenodebinding datamember="book" textfield="isbn" depth="2"><br />
</asp:treenodebinding><br />
</bindings><br />
<parentnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</parentnodestyle><br />
<leafnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</leafnodestyle><br />
<nodestyle forecolor="Black" <br />
verticalpadding="2" <br />
horizontalpadding="2" <br />
font-underline="False"<br />
font-names="Tahoma" <br />
font-size="8pt" <br />
font-italic="False" <br />
font-bold="False"><br />
</nodestyle><br />
<rootnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</rootnodestyle><br />
</asp:treeview><br />
<asp:xmldatasource id="XmlDataSource1" runat="server" datafile="Data.xml"><br />
</asp:xmldatasource><br />
</form><br />
</body><br />
</html><br />
File: Data.xml<br />
<?xml version="1.0" standalone="yes"?><br />
<bookstore><br />
<genre name="fiction"><br />
<book ISBN="10-000000-001"><br />
<title>title 1</title><br />
<price>12.95</price><br />
<comments><br />
<userComment rating="4"><br />
comment 1<br />
</userComment><br />
<userComment rating="2"><br />
comment 2<br />
</userComment><br />
</comments><br />
</book><br />
</genre><br />
</bookstore></source><br />
<br />
<br />
<br />
== Tree view event==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ page language="C#" %><br />
<%@ import namespace="System.IO" %><br />
<script runat="server" language="c#"><br />
void TreeView1_TreeNodePopulate(object sender, System.Web.UI.WebControls.TreeNodeEventArgs e)<br />
{<br />
if (e.Node.ChildNodes.Count == 0) { <br />
this.LoadChildNodes(e.Node);<br />
}<br />
} <br />
<br />
private void LoadChildNodes(TreeNode node) { <br />
DirectoryInfo directory;<br />
if (node.ValuePath.Length == 0) {<br />
directory = new DirectoryInfo(node.Value);<br />
} else {<br />
directory = new DirectoryInfo(node.ValuePath);<br />
}<br />
foreach(DirectoryInfo subDirectory in directory.GetDirectories()) {<br />
TreeNode subNode = new TreeNode(subDirectory.Name);<br />
subNode.PopulateOnDemand = true;<br />
subNode.SelectAction = TreeNodeSelectAction.SelectExpand;<br />
node.ChildNodes.Add(subNode);<br />
}<br />
}<br />
</script><br />
<br />
<html><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form runat="server"><br />
<asp:treeview id="TreeView1" <br />
runat="server" <br />
font-underline="False" <br />
font-names="Tahoma"<br />
font-size="8pt" <br />
font-italic="False" <br />
font-bold="False" <br />
imageset="XP_Explorer"<br />
forecolor="Black" <br />
nodeindent="15" <br />
ontreenodepopulate="TreeView1_TreeNodePopulate"><br />
<selectednodestyle backcolor="#B5B5B5" <br />
font-underline="False" <br />
font-italic="False"<br />
font-bold="False"><br />
</selectednodestyle><br />
<hovernodestyle forecolor="#6666AA" <br />
font-underline="True" <br />
font-italic="False" <br />
font-bold="False"><br />
</hovernodestyle><br />
<parentnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</parentnodestyle><br />
<leafnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</leafnodestyle><br />
<nodes><br />
<asp:treenode checked="True" <br />
value="c:\" <br />
populateondemand="True" <br />
showcheckbox="False"<br />
selectaction="SelectExpand" <br />
selected="True" <br />
text="Drive C:\"><br />
</asp:treenode><br />
</nodes><br />
<nodestyle forecolor="Black" <br />
verticalpadding="2" <br />
horizontalpadding="2" <br />
font-underline="False"<br />
font-names="Tahoma" <br />
font-size="8pt" <br />
font-italic="False" <br />
font-bold="False"><br />
</nodestyle><br />
<rootnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</rootnodestyle><br />
</asp:treeview><br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Tree view style==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ page language="VB" %><br />
<script runat="server"><br />
</script><br />
<html><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form runat="server"><br />
<asp:treeview id="TreeView1" <br />
runat="server" <br />
font-underline="False" <br />
font-names="Verdana"<br />
font-size="8pt" <br />
font-italic="False" <br />
font-bold="False" <br />
imageset="MSDN" <br />
forecolor="#000000"<br />
nodeindent="16" <br />
backcolor="#EEEEEE"><br />
<selectednodestyle verticalpadding="1" <br />
bordercolor="#999999" <br />
horizontalpadding="3"<br />
backcolor="#FFFFFF" <br />
font-underline="False" <br />
font-italic="False" <br />
font-bold="False"<br />
borderwidth="1px" <br />
borderstyle="Solid"><br />
</selectednodestyle><br />
<hovernodestyle verticalpadding="1" <br />
bordercolor="#999999" <br />
horizontalpadding="3" <br />
backcolor="#C7C7C7"<br />
font-underline="True" <br />
font-italic="False" <br />
font-bold="False" <br />
borderwidth="1px"<br />
borderstyle="Solid"><br />
</hovernodestyle><br />
<parentnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</parentnodestyle><br />
<leafnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</leafnodestyle><br />
<nodes><br />
<asp:treenode checked="True" <br />
value="My Root Element" <br />
expanded="True" <br />
text="My Root Element"><br />
<asp:treenode value="My Child Element" text="My Child Element"><br />
</asp:treenode><br />
<asp:treenode checked="True" <br />
value="Another Child" <br />
expanded="True" <br />
showcheckbox="False"<br />
selectaction="SelectExpand" <br />
selected="True" <br />
text="Another Child"><br />
<asp:treenode value="A Childs Child" <br />
selectaction="None" <br />
text="A Childs Child"><br />
</asp:treenode><br />
</asp:treenode><br />
</asp:treenode><br />
</nodes><br />
<nodestyle forecolor="#000000" <br />
verticalpadding="2" <br />
nodespacing="1" <br />
horizontalpadding="4"<br />
font-underline="False" <br />
font-names="Verdana" <br />
font-size="8pt" <br />
font-italic="False"<br />
font-bold="False"><br />
</nodestyle><br />
<rootnodestyle font-underline="False" font-italic="False" font-bold="False"><br />
</rootnodestyle><br />
</asp:treeview>&nbsp;<br />
</form><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Using the TreeView Control==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>TreeView Declare</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:TreeView<br />
id="TreeView1"<br />
Runat="server"><br />
<Nodes><br />
<asp:TreeNode<br />
Text="Home"<br />
NavigateUrl="~/Default.aspx"><br />
<asp:TreeNode<br />
Text="Products"><br />
<asp:TreeNode<br />
Text="First Product"<br />
NavigateUrl="~/Products/FirstProduct.aspx" /><br />
<asp:TreeNode<br />
Text="Second Product"<br />
NavigateUrl="~/Products/SecondProduct.aspx" /><br />
</asp:TreeNode><br />
<asp:TreeNode<br />
Text="Services"><br />
<asp:TreeNode<br />
Text="First Service"<br />
NavigateUrl="~/Services/FirstService.aspx" /><br />
<asp:TreeNode<br />
Text="Second Service"<br />
NavigateUrl="~/Services/SecondService.aspx" /><br />
</asp:TreeNode><br />
</asp:TreeNode><br />
</Nodes><br />
</asp:TreeView><br />
<br />
</div><br />
</form><br />
</body><br />
</html></source></div>
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