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'AjaxControlToolkit' is undefined (javascript)

by Filip Stanek 8. May 2008 16:14

I got this annoying error recently in a website I've been working on. It worked perfectly fine locally, it worked fine after uploading to the web server on my machine and other machines in the lab (various browsers). Then, it turns out, it doesn't work on (one of) the client's machines. Of course, I'm unable to replicate the error locally.

I looked around and it seems the first solution was to clear the cache. A lot of people said that Ctrl+F5 works, others said they needed to manually clear the cache and then restart the browser. Well, neither of those worked.

Fortunatelly, the solution turned out to be pretty easy: Set the "CombineScripts" property of the ToolkitScriptManager to false.

<ajaxToolkit:ToolkitScriptManager runat="server" ID="ajaxScriptManager" EnablePartialRendering="true" CombineScripts="false" />

c3b491e5-59ac-4f6a-81e5-27e971b903ed|12|4.1

Tags: asp.net, javascript, ajax

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Comments (25)

+0 # antointhe on 7/30/2008 10:25:40 AM

Yay!!!!

Thanks for that... I've been scanning to get to the bottom of this everywhere! some really odd solutions to the problem suggested but it knew it just HAD to be something this simple.

))))

+0 # Flashr on 8/5/2008 6:12:27 PM

Yap! You saved my night!

+0 # pascal on 8/26/2008 6:34:47 PM

Thank you! You just saved me hours of frustration.

+0 # projects1 on 9/5/2008 4:34:28 PM

How do I Set the "CombineScripts" property of the ToolkitScriptManager to false.

<ajaxToolkit:ToolkitScriptManager runat="server" ID="ajaxScriptManager" EnablePartialRendering="true" CombineScripts="false" />

+0 # Filip on 9/10/2008 9:36:58 AM

How do I Set the "CombineScripts" property of the ToolkitScriptManager to false.

On the web server, you'll need to locate the ASPX page and open it with some kind of editor like Notepad, Visual Studio, etc. Search that file for "ToolkitScriptManager" (if you can't find it there, it may be located in other pages, such as a MasterPage). Once you find it, you will need to add the attribute "CombineScripts" and set it to false, just like the blog describes (it should make sense when you see it). If you still can't figure it out, I would suggest having someone who is more familiar with .NET to make the change.

+0 # sdfs on 12/16/2008 9:07:02 AM

sdfsd

+0 # Murray on 12/23/2008 2:46:28 PM

Thanks for that! I was having this problem with AjaxControlToolkit running under Mono, but not under MS ASP.NET 2.0. On top of that, it worked with IE6 but not Firefox or IE7.

After setting CombineScripts to false, it now works everywhere.

+0 # Shailesh Saxena on 1/30/2009 8:14:34 AM

I have tried but it not solved

+0 # Sreenu Vadluri on 2/27/2009 2:11:33 AM

i have tried but not solved.
i got the same error still now

+0 # TrentMasterson on 4/17/2009 9:41:03 PM

I had been stumbling around this error for months. The app I was working on was sending a user from a login page that didn't implement AJAX to a home page that did. I was redirecting the user from Login to Home via a Server.Transfer method. After changing it to a Response.Redirect the error went away. I didn't have to remove or add any toolkit attributes. See if this will work for you.

+0 # Filip on 4/25/2009 3:45:58 AM

Trent,
That's pretty interesting. I haven't used Server.Transfer() since ASP days, but I guess that was somehow affecting your resource files ( which seems to be what this error is all about ). Traffic to this particular page on my site has been pretty steady for 10 months now, so I'm guessing that the folks responsible for this error haven't fixed it in the toolkit. Its neat that you found another cause for this though. Hopefully that will help some folks out.

+0 # Rawl on 12/22/2009 12:34:07 PM

In fact I got that error because of using Server.Transfer, since I was using "Contex.Items" I couldn't use Response.Redirect; but doing the CombineScripts="false" its solved, now I need to know what does that means

+0 # julymoon on 4/29/2009 2:33:00 AM

thank you so much , i can also solve with your solution

+0 # Mark on 5/9/2009 8:52:29 AM

Filip,

You are a life saver. I have had this problem for awhile. I was searching, in all of the wrong places, and could not find a solution.

Thanks again!

+0 # Eloa on 5/13/2009 10:40:49 AM

Great. Thank you so much!

+0 # Ryan on 5/15/2009 3:34:06 PM

Wow thanks for this... I was using a combination of the telerik control and the Ajax toolkit, so my solution ended up being this:
<telerik:RadScriptManager ID="RadScriptManager1" Runat="server" EnablePartialRendering="true" EnableScriptCombine="false" CompositeScript-ScriptMode="Auto" />

I hope this helps someone else!

+0 # Mukesh Sharma on 7/22/2009 12:25:19 AM

Gr8, I saved a lot of my time due to this help. Thanks a ton.

+0 # Aditya Mahajan on 8/10/2009 3:25:35 AM

I faced the same issue.
It's because the code was built on my development machine in India and deployed on a london server.
The dlls were having india time which was in 'future' of the london time.
Used Touch.exe to update the times of the dll to 'yesterdays' date and the new dlls started working fine on the server when redeployed.

+0 # Thaabiet Salaam on 9/15/2009 7:26:29 AM

I had the issue and setting CombineScripts="false" solved it but I wanted the functionality. Turns out the problem was caused by the absence of the handler that is required when combining scripts.

+0 # Chandan on 9/19/2009 4:55:02 AM

I have tried all the techniqe mentioned above, but still problem is there.
Please help me.

Thanks in advance !

+0 # Lisa Segura on 11/14/2009 3:45:34 PM

Wow...I have been searching for a solution for this problem on and off for a few days without success. I could see in the error console that the page was returning 'AjaxControlToolkit' is undefined in IE and AJAXControlToolkit is not defined in Mozilla's Error Console (I'm including both these for future searches). I used Google to search for a solution until today when I used Bing and your answer was the top solution.

Thank you!

+0 # waggi on 11/18/2009 8:54:32 PM

Great post.

+0 # waggi on 11/18/2009 8:55:20 PM

Thanks for sharing this information this is really helps us in programming I hope many people will read this article.

+0 # Vishal Patel on 12/31/2009 6:59:49 AM

Hi...

It's greate....It's working fine....i am try from last 1 hr...

Thanks a lot......

+0 # Brandon on 1/6/2010 9:03:45 PM

Perfect! Thanks for posting your solution.

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