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Version Q2 2011 released 07/12/2011
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SiteMap / Server-side Events


  • RadSiteMap introduces two server-side events for working with nodes:

    • NodeCreated occurs when a new node is added to the control (at any level)
    • NodeDataBound occurs when a node is bound to a data source

    This example shows how to use the NodeDataBound event to filter certain nodes. The nodes are then processed in the DataBound event and the total children count for each node is displayed.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="C#" AutoEventWireup="true" CodeFile="DefaultCS.aspx.cs" Inherits="ListBox_Examples_FirstLook_DefaultCS" %>

    <%@ 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" />
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
        <qsf:Header runat="server" ID="Header1" NavigationLanguage="C#" />
        <telerik:RadSiteMapDataSource runat="server" ID="RadSiteMapDataSource1" ShowStartingNode="false" SiteMapFile="~/Examples.sitemap" />
        <telerik:RadSiteMap runat="server" ID="SiteMap1" DataSourceID="RadSiteMapDataSource1"
                            OnNodeDataBound="SiteMap1_NodeDataBound" OnDataBound="SiteMap1_DataBound">
            <LevelSettings>
                <telerik:SiteMapLevelSetting Level="0">
                    <ListLayout RepeatColumns="3" RepeatDirection="Horizontal" AlignRows="true" />
                </telerik:SiteMapLevelSetting>
            </LevelSettings>
            <DataBindings>
                <telerik:RadSiteMapNodeBinding NavigateUrl="#" />
            </DataBindings>
        </telerik:RadSiteMap>
        <qsf:Footer runat="server" ID="Footer1" />
        </form>
    </body>
    </html>

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