Telerik is a leading vendor of ASP.NET AJAX, ASP.NET MVC, Silverlight, WinForms and WPF controls and components, as well as .NET Reporting, .NET ORM , .NET CMS, Code Analysis, Mocking, Team Productivity and Automated Testing Tools. Building on its expertise in interface development and Microsoft technologies, Telerik helps customers build applications with unparalleled richness, responsiveness and interactivity. Telerik products help thousands of companies to be more productive and deliver reliable applications under budget and on time.
Version Q2 2011 released 07/12/2011
select

TreeView / Populating from XML

  • Populated via the LoadContentFile method
    • DesktopDesktop
      • Administrator
        • AppData
        • Contacts
        • Downloads
        • Documents
        • Favorites
        • Music
        • Pictures
        • Saved Games
        • Searches
        • Videos
      • My ComputerComputer
        • WebServer (\\10.0.0.80) (W:)
        • Local Disk (C:)
          • inetpub
            • AdminScripts
  • Bound to XmlDataSource
    • Desktop
      • Administrator
        • AppData
        • Contacts
        • Downloads
        • Documents
        • Favorites
        • Music
        • Pictures
        • Saved Games
        • Searches
        • Videos
      • Computer
        • WebServer (\\10.0.0.80) (W:)
        • Local Disk (C:)
          • inetpub
            • AdminScripts

  • You can seamlessly populate RadTreeView from XML.

    • Loading from XML file
      RadTreeView1.LoadContentFile("TreeView.xml");
      
    • Loading from XML string
      RadTreeView1.LoadXml("<Tree><Node Text="Books"/><Node Text="Music"/></Tree>");
      

    You can also retrieve the current RadTreeView structure in XML format:

    • C#
      string xml = RadTreeView1.GetXml();
      
    • VB
      Dim xml as String = RadTreeView1.GetXml()

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page AutoEventWireup="false" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.Web.Examples.TreeView.XmlStringBinding.DefaultVB"
        Language="vb" %>

    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <qsf:HeadTag runat="server" ID="Headtag1"></qsf:HeadTag>
        <link href="styles.css" rel="stylesheet" type="text/css" />
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
            <qsf:Header runat="server" ID="Header1" NavigationLanguage="VB"></qsf:Header>
            <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
            <ul class="treeview-list">
                <li class="treeview-item" style="border: none">
                    <div class="text">
                        Populated via the LoadContentFile method</div>
                    <telerik:RadTreeView ID="RadTreeView1" runat="server" />
                </li>
                <li class="treeview-item">
                    <div class="text">
                        Bound to XmlDataSource</div>
                    <telerik:RadTreeView ID="RadTreeView2" runat="server" DataSourceID="XmlDataSource1">
                        <DataBindings>
                            <telerik:RadTreeNodeBinding DataMember="Node" TextField="Text" ImageUrlField="ImageUrl"
                                ExpandedField="Expanded" />
                        </DataBindings>
                    </telerik:RadTreeView>
                    <asp:XmlDataSource runat="server" ID="XmlDataSource1" DataFile="TreeView.xml" XPath="/Tree/Node" />
                </li>
            </ul>
            <qsf:Footer runat="server" ID="Footer1"></qsf:Footer>
        </form>
    </body>
    </html>

Get more than expected!

 
 

Take your time to truly experience the power of RadControls for ASP.NET AJAX with a free 60-day trial backed up by Telerik’s unlimited dedicated support.

Download your RadControls for ASP.NET AJAX trial and jumpstart your development with the available Getting Started resources.

If you have any questions, do not hesitate to contact us at sales@telerik.com.

Copyright 2002-2024 © Telerik. All right reserved
Telerik Inc, 201 Jones Rd, Waltham, MA 02451