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ASP.Net Newbie: Question on Treeview Control Styles

Aiight, I give up. Jeez, I just started ASP.NET and already a weird issue.

Im simply trying to manipulate the styles for the tree view control. That is, the Selected Style (SelectedNodeStyle)  and the Hover Style (HoverNodeStyle). Yet nothing changes on select or on hover: the code (VB) fo rmy master page template.

Please advise...

========== master page template===============

<%@ Master Language="VB" CodeFile="MainTemplate.master.vb" Inherits="MainTemplate" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>[title] :: X-TEch</title>
<link href="mainTemplateStyles.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="/scripts/core-scripts.js" id="coreSripts" />
</head>
<body>
<form id="mainContainerForm" runat="server">
<div id="mainDivContainer">
<table id="mainTblContainer" border="0" cellpadding="0" cellspacing="0" width="100%">
<!-- Header -->
<tr>
 <td align="center" valign="top" colspan="2"><h1>header</h1></td>
</tr>
<!-- breadcrumb -->
<tr>
 <td align="center" valign="top" colspan="2"><p>breadcrumb control</p></td>
</tr>

<tr>
<!-- left nav -->
 <td align="left" valign="top" style="width: 144px">
 <div id="leftNavDiv">
     <asp:TreeView ID="TreeView1" runat="server"
     DataSourceID="SiteMapDataSource1"
     ShowLines="True"
     Width="236px"
     BackColor="Transparent">
     <HoverNodeStyle BackColor="GreenYellow" />
     <SelectedNodeStyle BackColor="#404000" />
     </asp:TreeView>
     <asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" />

 </div>
 </td>
 
<!-- main content control -->
 <td align="left" valign="top">
 <div id="MainContentPlacerHolderDiv">
 <asp:contentplaceholder id="ContentPlaceHolder1" runat="server"></asp:contentplaceholder>
 </div>
 </td>
</tr>

<!-- footer -->
<tr>
 <td align="center" valign="top" colspan="2"><h1>footer</h1></td>
</tr>


</table>
</div>
</form>
</body>
</html>
0
the_sleeper
Asked:
the_sleeper
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1 Solution
 
SammyCommented:
I dont see anything wrong with your code. check your stylesheets. the Treeview control renders as a div inside a table
If you are using stylesheets, disable them and try just this code by itself to see if it makes a difference.

HTH
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the_sleeperAuthor Commented:
Greetings sammy1971,

Tried that, no luck. Still no hover styles. Permissions Issue, Maybe? Some Errant Server Setting?

Im running
IIS 5.1 Locally
WinXP SP2
Visual Studio 2005 (ver 8.0.5)

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SammyCommented:
just for testing purposes create a new aspx page and paste this declation then run the page
<asp:TreeView ID="TreeView1" runat="server"  BackColor="transparent">
            <HoverNodeStyle BackColor="Black" />
            <SelectedNodeStyle BackColor="Red" />
            <Nodes>
                <asp:TreeNode Text="Node1" Value="Parent">
                    <asp:TreeNode Text="Child1" Value="Child1"></asp:TreeNode>
                    <asp:TreeNode Text="Child2" Value="Child2"></asp:TreeNode>
                </asp:TreeNode>
            </Nodes>
       
        </asp:TreeView>
let me know what you get.

Sammy

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the_sleeperAuthor Commented:
Works as coded, BackColor IS black ON hover.

...what gives..
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the_sleeperAuthor Commented:
However, that example was not in a master page. I added your code to the masterpage and got the same issue (no hover css)
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the_sleeperAuthor Commented:
I got it to work, but the cure is stranger than the disease, so to speak.

I had to remove <script type="text/javascript" src="/scripts/core-scripts.js" id="coreSripts" /> from the head in the master page.

Then everything worked as predicted.

So... whats up with that?


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SammyCommented:
whats in the script?
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SammyCommented:
I just ran the same code using a master page and it ran fine with the expected results

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestMaster.aspx.cs" Inherits="TestMaster" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TreeView ID="TreeView1" runat="server">
         <HoverNodeStyle BackColor="Black" />
            <SelectedNodeStyle BackColor="Red" />
            <Nodes>
                <asp:TreeNode Text="Parent Node" Value="Parent Node">
                    <asp:TreeNode Text="Child One" Value="Child One">
                        <asp:TreeNode Text="Child Two" Value="Child Two"></asp:TreeNode>
                    </asp:TreeNode>
                </asp:TreeNode>
            </Nodes>
        </asp:TreeView>
    </div>
    </form>
</body>
</html>

0
 
the_sleeperAuthor Commented:
@sammy1971 >> whats in the script?

nothing. absolutely nothing. it's just...there. (for when I will eventually write something, which is inevitable)

@sammy1971 >> I just ran the same code using a master page and it ran fine with the expected results

is there a script with a link to an external .js file in the in the <head> section of the master page?
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the_sleeperAuthor Commented:
update:

I changed:  <script type="text/javascript" src="/scripts/core-scripts.js" id="coreSripts" />

to this:       <script type="text/javascript" src="/scripts/core-scripts.js" id="coreSripts"><script>

Seems life I must have the </script> tag

now everything works...

so whats the deal, MUST i use closing script tags in the Master Pages?
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SammyCommented:
looks like it.
something to remember I guess.
Glad it worked out for you
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the_sleeperAuthor Commented:
points awarded for your efforts..
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