Having some problems with the javascript to get all nodes using the sample code provided here:
http://www.telerik.com/help/aspnet-ajax/treeview-client-objects-radtreenode.html
Am getting the error
Error: TypeError: tree is null
Source File: http://localhost/Edit/CategorySelection.aspx
Line: 48
I thought jQuery might be causing some problems, it is in no conflict mode. have tried changing
var tree = $find("<%= RadTreeView1.ClientID %>");
to
var tree = jQuery("<%= RadTreeView1.ClientID %>");
but i get the error
Error: TypeError: tree.get_nodes is not a function
Source File: http://localhost/Edit/CategorySelection.aspx
Line: 48
Any idea whats causing this error? (code below, js to get nodes contained in nodetest and loaded on document load
Master Page:
Page
http://www.telerik.com/help/aspnet-ajax/treeview-client-objects-radtreenode.html
Am getting the error
Error: TypeError: tree is null
Source File: http://localhost/Edit/CategorySelection.aspx
Line: 48
I thought jQuery might be causing some problems, it is in no conflict mode. have tried changing
var tree = $find("<%= RadTreeView1.ClientID %>");
to
var tree = jQuery("<%= RadTreeView1.ClientID %>");
but i get the error
Error: TypeError: tree.get_nodes is not a function
Source File: http://localhost/Edit/CategorySelection.aspx
Line: 48
Any idea whats causing this error? (code below, js to get nodes contained in nodetest and loaded on document load
Master Page:
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="Main1.master.cs" Inherits="Main1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<
html
xmlns
=
"http://www.w3.org/1999/xhtml"
>
<
head
runat
=
"server"
>
<
title
></
title
>
<
link
rel
=
"stylesheet"
href
=
"~/css/style.css"
/>
<
script
type
=
"text/javascript"
src
=
"/js/jquery-1.7.2.min.js"
></
script
>
<
script
type
=
"text/javascript"
>jQuery.noConflict();</
script
>
<
asp:ContentPlaceHolder
id
=
"ContentHead"
runat
=
"server"
>
</
asp:ContentPlaceHolder
>
</
head
>
<
body
>
<
div
id
=
"wrapper"
>
<
form
id
=
"form1"
runat
=
"server"
>
<
asp:Literal
ID
=
"test1"
runat
=
"server"
></
asp:Literal
>
<
telerik:RadScriptManager
ID
=
"RadScriptManager1"
runat
=
"server"
/>
<
div
class
=
"headercon"
>
<
asp:Panel
id
=
"header"
CssClass
=
"header"
runat
=
"server"
>
<
asp:HyperLink
ID
=
"HyperLink1"
NavigateUrl
=
"~/?reset=global"
runat
=
"server"
>
<
div
class
=
"logo"
>
</
div
>
</
asp:HyperLink
>
<
div
class
=
"fascia"
></
div
>
<
div
class
=
"topmenu"
>
<
ul
>
<
li
class
=
"on"
><
asp:HyperLink
ID
=
"HyperLink2"
NavigateUrl
=
"~/"
runat
=
"server"
>Dashboard</
asp:HyperLink
></
li
>
<
li
class
=
"list"
>
<
asp:Label
ID
=
"LabelFascia"
runat
=
"server"
AssociatedControlID
=
"FasciaDropDown"
Text
=
"Fascia"
/>
<
telerik:RadComboBox
ID
=
"FasciaDropDown"
runat
=
"server"
Width
=
"140px"
AutoPostBack
=
"True"
OnSelectedIndexChanged
=
"Fascia_SelectedIndexChanged"
/>
</
li
>
<
li
><
asp:HyperLink
ID
=
"HyperLink3"
NavigateUrl
=
"~/Edit/Default.aspx"
runat
=
"server"
>Style</
asp:HyperLink
></
li
>
<
li
><
asp:HyperLink
ID
=
"HyperLink4"
NavigateUrl
=
"~/Reports/Default.aspx"
runat
=
"server"
>Reports</
asp:HyperLink
></
li
>
<
li
><
asp:HyperLink
ID
=
"HyperLink5"
NavigateUrl
=
"~/Admin/Default.aspx"
runat
=
"server"
>Admin</
asp:HyperLink
></
li
>
</
ul
>
</
div
>
</
asp:Panel
>
</
div
>
<
div
class
=
"content"
>
<
asp:Panel
id
=
"breadcrumbs"
runat
=
"server"
></
asp:Panel
>
<
asp:ContentPlaceHolder
id
=
"ContentMain"
runat
=
"server"
>
</
asp:ContentPlaceHolder
>
</
div
>
<
div
class
=
"footer"
>
</
div
>
</
form
>
</
div
>
</
body
>
</
html
>
Page
<%@ Page Title="" Language="C#" MasterPageFile="~/Main1.master" AutoEventWireup="true" CodeFile="CategorySelection.aspx.cs" Inherits="CategoryEditor" %>
<
asp:Content
ID
=
"Content1"
ContentPlaceHolderID
=
"ContentHead"
Runat
=
"Server"
>
<
script
type
=
"text/javascript"
>
//<!--
function nodeDropping(sender, args) {
// set target to the element on which the node is dropped
var target = args.get_htmlElement();
// check whether target is in the panel or tree view
// by working up the parent chain to a known element
try {
while (target) {
var targetID = target.id;
var className = target.className;
// we reached the tree view -- this is a good target
if (targetID == "<%# RadTreeView1.ClientID %>")
return;
// the "between nodes" lines are not actually in the tree view,
// but they have class names that begin "rtDrop"
else if (className.startsWith("rtDrop"))
return;
// we are inside the panel -- this is a good target
else if (targetID == "<%# Panel1.ClientID %>") {
args.set_htmlElement(target);
return;
}
target = target.parentNode;
}
} catch (e) { }
// we were not in a good target, cancel the drop
args.set_cancel(true);
}
function nodeCheck(sender, args) {
var target = args.get_selectedNodes();
}
function nodetest() {
var tree = $find("<%= RadTreeView1.ClientID %>");
var allNodes = tree.get_nodes().getNode(0).get_allNodes();
for (var i = 0; i <
allNodes.length
; i++) {
var
node
=
allNodes
[i];
alert(node.get_text());
}
}
jQuery(document).ready(function () {
nodetest();
});
//-->
</
script
>
</
asp:Content
>
<
asp:Content
ID
=
"Content2"
ContentPlaceHolderID
=
"ContentMain"
Runat
=
"Server"
>
<
h1
>Category Editor</
h1
>
<
telerik:RadAjaxLoadingPanel
ID
=
"RadAjaxLoadingPanel1"
runat
=
"server"
/>
<
asp:Label
ID
=
"treeSearchLabel"
runat
=
"server"
>Refine</
asp:Label
>
<
asp:TextBox
ID
=
"treeSearch"
runat
=
"server"
></
asp:TextBox
>
<
telerik:RadAjaxPanel
ID
=
"RadAjaxPanel1"
runat
=
"server"
LoadingPanelID
=
"RadAjaxLoadingPanel1"
>
<
telerik:RadTreeView
ID
=
"RadTreeView1"
runat
=
"server"
EnableDragAndDrop
=
"true"
OnNodeDrop
=
"TreeView_NodeDrop"
OnClientNodeDropping
=
"nodeDropping"
TriStateCheckBoxes
=
"true"
CheckBoxes
=
"true"
CheckChildNodes
=
"false"
>
<
Nodes
>
</
Nodes
>
</
telerik:RadTreeView
>
</
telerik:RadAjaxPanel
>
<
asp:Panel
ID
=
"Panel1"
runat
=
"server"
ForeColor
=
"#7799FF"
BorderColor
=
"#7799FF"
BorderStyle
=
"Double"
BorderWidth
=
"4px"
GroupingText
=
"Details"
>
<
asp:Label
ID
=
"Label1"
runat
=
"server"
></
asp:Label
>
<
asp:Label
ID
=
"WhatsChecked"
runat
=
"server"
></
asp:Label
>
</
asp:Panel
>
<
telerik:RadAjaxManager
ID
=
"RadAjaxManager1"
runat
=
"server"
>
<
AjaxSettings
>
<
telerik:AjaxSetting
AjaxControlID
=
"RadTreeView1"
>
<
UpdatedControls
>
<
telerik:AjaxUpdatedControl
ControlID
=
"RadTreeView1"
/>
<
telerik:AjaxUpdatedControl
ControlID
=
"Panel1"
/>
</
UpdatedControls
>
</
telerik:AjaxSetting
>
</
AjaxSettings
>
</
telerik:RadAjaxManager
>
</
asp:Content
>