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Version Q2 2011 released 07/12/2011
select

TreeView / Server-side Events

  • Books
    • Arts
    • Biographies
    • Children's Books
    • Cooking
    • History
    • Fiction
    • Mystery
    • Nonfiction
    • Romance
    • Science Fiction
    • Travel
  • Music
  • Movies
  • Software
Event log:

    1. Click a tree node to trigger the NodeClick event
    2. Expand a tree node to trigger the NodeExpand event
    3. Collapse a tree node to trigger the NodeCollapse event

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>

    <%@ Page Language="c#" CodeFile="DefaultCS.aspx.cs" AutoEventWireup="false" Inherits="Telerik.Web.Examples.TreeView.ServerSideApi.DefaultCS" %>

    <!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>
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
            <qsf:Header runat="server" ID="Header1" NavigationLanguage="C#">
            </qsf:Header>
            <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
            
            <telerik:RadTreeView ID="RadTreeView1" runat="server" Height="250px" Width="100%"
                EnableDragAndDrop="true" OnNodeClick="RadTreeView1_NodeClick" OnNodeCollapse="RadTreeView1_NodeCollapse"
                OnNodeExpand="RadTreeView1_NodeExpand" OnNodeDrop="RadTreeView1_NodeDrop" Style="border: 1px solid #CBE7F5;">
                <Nodes>
                    <telerik:RadTreeNode Text="Books" ExpandMode="ServerSide" Expanded="true">
                        <Nodes>
                            <telerik:RadTreeNode Text="Arts" />
                            <telerik:RadTreeNode Text="Biographies" />
                            <telerik:RadTreeNode Text="Children's Books" />
                            <telerik:RadTreeNode Text="Cooking" />
                            <telerik:RadTreeNode Text="History" />
                            <telerik:RadTreeNode Text="Fiction" />
                            <telerik:RadTreeNode Text="Mystery" />
                            <telerik:RadTreeNode Text="Nonfiction" />
                            <telerik:RadTreeNode Text="Romance" />
                            <telerik:RadTreeNode Text="Science Fiction " />
                            <telerik:RadTreeNode Text="Travel" />
                        </Nodes>
                    </telerik:RadTreeNode>
                    <telerik:RadTreeNode Text="Music" ExpandMode="ServerSide">
                        <Nodes>
                            <telerik:RadTreeNode Text="Alternative" />
                            <telerik:RadTreeNode Text="Blues" />
                            <telerik:RadTreeNode Text="Children's Music" />
                            <telerik:RadTreeNode Text="Classical" />
                            <telerik:RadTreeNode Text="Country" />
                            <telerik:RadTreeNode Text="Dance" />
                            <telerik:RadTreeNode Text="Folk " />
                            <telerik:RadTreeNode Text="Hard Rock" />
                            <telerik:RadTreeNode Text="Jazz" />
                            <telerik:RadTreeNode Text="Soundtracks" />
                        </Nodes>
                    </telerik:RadTreeNode>
                    <telerik:RadTreeNode Text="Movies" ExpandMode="ServerSide">
                        <Nodes>
                            <telerik:RadTreeNode Text="Action" />
                            <telerik:RadTreeNode Text="Animation" />
                            <telerik:RadTreeNode Text="Classics" />
                            <telerik:RadTreeNode Text="Comedy" />
                            <telerik:RadTreeNode Text="Documentary" />
                            <telerik:RadTreeNode Text="Drama" />
                            <telerik:RadTreeNode Text="Horror" />
                            <telerik:RadTreeNode Text="Musicals" />
                            <telerik:RadTreeNode Text="Mystery" />
                            <telerik:RadTreeNode Text="Westerns" />
                        </Nodes>
                    </telerik:RadTreeNode>
                    <telerik:RadTreeNode Text="Software" ExpandMode="ServerSide">
                        <Nodes>
                            <telerik:RadTreeNode Text="Database" />
                            <telerik:RadTreeNode Text="Networking" />
                            <telerik:RadTreeNode Text="Presentation" />
                            <telerik:RadTreeNode Text="Project Management" />
                            <telerik:RadTreeNode Text="Reports" />
                            <telerik:RadTreeNode Text="Spreadsheet" />
                            <telerik:RadTreeNode Text="Word Processing" />
                        </Nodes>
                    </telerik:RadTreeNode>
                </Nodes>
            </telerik:RadTreeView>
            <qsf:EventLogConsole runat="server" ID="EventLogConsole1" style="margin-top:10px" />
            <qsf:Footer runat="server" ID="Footer1"></qsf:Footer>
        </form>
    </body>
    </html>

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