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AW: Tabstrip Javascript Errors
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This message was discovered on ASPFriends.com 'aspngwebcontrols' list.


Markus
hi michael,

this is just a thought: i got the same behaviour when i missed to insert the
webcontrol into a valid <form runat=server> tag...

greetinx from germany,

markus

-----Ursprüngliche Nachricht-----
Von: Michael Wells [mailto:Click here to reveal e-mail address]
Gesendet: Mittwoch, 10. Juli 2002 01:24
An: aspngwebcontrols
Betreff: [aspngwebcontrols] Tabstrip Javascript Errors

OK, I'm completely befuddled.

I have two, similar ASP.NET projects (A and B) running on the same
server, which both use the WebControls Tabstrip. Project A works
absolutely fine. In Project B, the tabstrip displays properly, but
generates JavaScript errors during the page load, and doesn't function
properly. (At a minimum, autopostback is broken).

I'm definately using the same version of the web controls. Both
projects A & B are running on the same server, and were built on the
same development machine.

Both projects are running as "root webs", so they use separate IP
addresses. As a result, I've copied what I believe are the requisite
support files from project A to project B. This includes...

/webctrl_client (and all subdirs)
/aspnet_client (and all subdirs)

I'm also using the same registration in both A and B...

<%@ Register TagPrefix="iewc" Namespace="Microsoft.Web.UI.WebControls"
Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.226,
Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>

I'm not convinced that the aspnet dir is required, but I suspect as much
since it contains several *.js files. Also, I've noticed that the
version specified in the directory path...

/aspnet_client/system_web/1_0_3705_0

Doesn't match the version of the web controls themselves (1.0.2.226).
I'm assuming that this is -not- an issue, since the control versions &
directory names are identical in Project A, which works fine.

Obviously, I'm using the same browser-version, on the same machine, to
validate the operation of A and B... what would cause the javascript
error to appear? Has anyone experienced a similar problem?

Much thanks in advance.

-- Michael Wells

| [aspngwebcontrols] member Click here to reveal e-mail address = YOUR ID
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Michael Wells

Thanks Markus,

While examining your suggestion, I think I just figured out what was
causing the problem. Still has me puzzled a bit, but after dissecting
the TabStrip-generated javascript, I came across a reference to
"document.default", which was where one of the JS errors occurred.

Looking at the <form> tag, I noticed that the tag had an id of
"default", while the page's class name was "_default".

On a suspicion, I changed the all of these symbols to "Form2";

The name of the form's class...

    public class Form2 : System.Web.UI.Page { }

The Inherits reference...

<%@ Page language=3D"c#" Codebehind=3D"default.aspx.cs"
AutoEventWireup=3D"false" Inherits=3D"re2kcorp.Form2" %>

And the <form runat=3D"server"> id...

<form id=3D"Form2" method=3D"post" runat=3D"server">

The error seems to have gone away. I was not aware that the <form> tag
id had to match the page's class name... so I suppose I have some more
reading to do. Maybe this is a limitation of the WebControls?

Thanks for the tip; you sent me directly down the path I needed to
explore.

-- Michael Wells

[Original message clipped]
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