'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

This article is outdated considering that we have the released version of ASP.NET AJAX v1.0 which is what you should be using in your applications.  ATLAS was our codename for ASP.NET AJAX and if you are using ATLAS by any chance, kindly upgrade to ASP.NET AJAX by downloading the released version bits from http://ajax.asp.net . A related 'Sys' is undefined error article written by me is available at the following link:-http://geekswithblogs.net/ranganh/archive/2007/07/15/113963.aspx

First of all, let me write to you a personal note. I have been making this particular blog more and more of a non-technical stuff of late with my posts around IndiMix and other stuff. However, I am back here with my technical and trouble shooting articles.

You may get an error 'Sys' is undefined when developing ASP.NET AJAX Enabled WebSites using the ASP.NET AJAX Beta 2,

This error may come particularly if you are upgrading from Beta 1 to Beta 2.

The error is primarily because a new script resource handler is added which requires an entry in the Web.Config.

The following is the steps to solve this issue:-

1. Open the Web.Config file of your ASP.NET AJAX Enabled Web Application

2. Within the <httpHandlers> </httpHandlers> section, add the following entry

<add verb="GET" path="ScriptResource.axd" type="Microsoft.Web.Handlers.ScriptResourceHandler" validate="false"/>

The <httpHandlers> section must be available within the <system.web> </system.web> sections in your web.config. In fact there would already be 2 add verb entries under which you can append the above entry.

3. Save the Web.Config file.

4. You must be able to run the pages without the error now.

5. This is well documented in the Release Notes that accompany the Beta installer. It is still available at your C:\Program Files\Microsoft ASP.NET\ASP.NET 2.0 AJAX Extensions\v1.0.61025\ReleaseNotes.txt

This post is for the benefit of people who miss reading this information while installation.

Cheers !!!

Print | posted on Friday, November 24, 2006 11:18 AM

Comments on this post

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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thanks a lot..finally the app is up and running
Left by v on Nov 26, 2006 1:31 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Wow, great! Thank you very much!
Left by Jeremy Hodges on Nov 27, 2006 1:10 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Harish,

We got some queries on ASP.NET AJAX:

I updated my site to use the newest AJAX B2 bits. Everything works fine on my machine and i deployed the ASP.NET App to the Web Server (windows 2003).

Result:

Could not load file or assembly 'Microsoft.Web.Extensions.Design, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.


An "official statement" form the asp.net forums

Hi guys - yeah the problem you're having is because you installed on a machine w/o VS. All of our machines have VS, so we didn't catch this problem. On a machine w/ VS, Microsoft.Web.Extensions.Design.dll gets dropped.

Probably the best workaround for this is to go get that file from a machine with VS and either install it (gacutil -f Microsoft.Web.Extensions.Design.dll) or try dropping it into the bin directory, which I believe should also work but I haven't tried it.

I've been talking with the AJAX team about this, so we're on top of it. Sorry for the confusion.

I must repeat it: i have installed it on a webserver without installed Visual Studio 2005 and Microsoft never tested this scenario.

After coping the dll from my dev machine to the webserver (bin) it works.

Left by Johnson Smith on Nov 28, 2006 3:26 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hi Johnson,

The following is the response, I got from the Development Team. Thanks for providing your valuable feedback.

"We’ve actually fixed this issue in post-Beta2 bits.

The designer dll is now installed in the GAC as part of the general install regardless of the presence of a designer SKU on the box."
Left by Harish Ranganathan on Dec 01, 2006 8:35 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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hello all,

thanks a lot.
i had solved this java script error.

thanks a lot once again

from,
Harsh Pandir
Left by Harsh Pandit on Jan 20, 2007 6:25 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I had the same problem with RC1

However, the namespaces have changed in RC1, the reference to Microsoft needs to change to System:

<httpHandlers>
<add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/>
</httpHandlers>

Mike
Left by Mike Trebilcock on Jan 21, 2007 8:47 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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MIKE ,
thanks for the SYSTEM part !

Bilal.
Left by Bilal on Jan 24, 2007 12:46 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hey Thanks a lot Mike !
Left by Abhijeet on Jan 31, 2007 6:50 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks a lot Mike... I solved the error...
Left by Anand on Feb 10, 2007 8:46 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks a lot! you solved my problem!
Left by Carlos on Feb 13, 2007 8:43 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I still have the problem
Left by Steve on Feb 19, 2007 1:34 AM

# 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hi i have done every thing you said over here but still get the same error Sys is undefined. previously i used to get the error in only one page, even other pages having the update panels are working fine. but now i get this error even on the page where i have no update panel. this application works fine with firefox browser.
thanks
Left by guru on Feb 22, 2007 4:02 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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thanx mike.. that was wht i was missing...
Left by Kaushal on Feb 27, 2007 3:25 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I tried everything suggested here and other sites. Couldnt get it to work.
However problem went away when I put the sections to load the scripts in the <head> section:

<head runat="server">
<title>Untitled Page</title>
<SCRIPT language="JavaScript" src="script/glm-ajax.js"></SCRIPT>
<SCRIPT language="JavaScript" src="script/MicrosoftAjax.js"></SCRIPT>
<SCRIPT language="JavaScript" src="script/MicrosoftAjaxTimer.js"></SCRIPT>
<SCRIPT language="JavaScript" src="script/MicrosoftAjaxWebForms.js"></SCRIPT>
</head>
Left by Hilary Ngeno on Mar 03, 2007 10:25 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I still have this problem, tried so much. Somebody an idea?
Thanx

Rutger
Left by Rutger van Hagen on Mar 05, 2007 7:42 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thank's a lot! Mike.
Left by Manoj on Mar 15, 2007 7:25 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Mike,

Thanks so much for the help. Your post helped me to correct the problem.

:)
Left by Mario Estevez on Aug 09, 2007 4:34 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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thanks, that System.Web handlers works great after I have rebuild whole solution :-) thanks again Mike :)

Tomas
Left by Tomas on Sep 09, 2007 2:28 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Add this in <httpHandlers>
<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>
Left by Ovi04 on Nov 12, 2007 1:38 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I am getting this error only in secure mode(https). Anyone know how to solve this problem?
Left by manoj on Dec 27, 2007 5:34 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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None of the above work for me and i solved it like this

put all your script code on javascript and point it inside script manager tag like this

<asp:ScriptManager ID="ScriptManager1" runat="server">
<Scripts>
<asp:ScriptReference Path="Script/PostBackScript.js" />
</Scripts>
</asp:ScriptManager>


Suresh Behera
Left by Suresh Behera on Jan 07, 2008 5:40 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Harish,

good afternoon.

thanks for providing <system.web> tag info in your posting to locate httpHandlers. that helped me create a system.web tag because there was none. i started with a template from esri on web mapping application before i installed the latest ajax from ms's website (28 jan 2008).

i will go through the other posts and resolve the still pending Sys is undefined. there is some information about declaring some variables before the sys.application.initialize();

thanks once again for your service in the form of this blog.

regards
ravichandran.
Left by Ravichandran M. Kaushika on Jan 28, 2008 8:15 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Guys, Finally resolved problem...thanks to ravichandran, made little change

<add verb="GET" path="ScriptResource.axd" type="Microsoft.Web.Handlers.ScriptResourceHandler" validate="false"/>

if word "Microsoft" in verb creates problem use System instead ..revised verb will be

<add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/>

Hope this helps

Left by Joseph on Feb 01, 2008 3:02 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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If all else fails, delete your website, then recreate it. This worked for me after trying everything else... took 2 days to figure this out.
Left by steph on Feb 03, 2008 4:24 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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This error is so annoying. I purchased Telerik and it works like a charm. That's what happens when you work with Microsoft.
Left by Fed up with AJAX 1.0 on Feb 12, 2008 7:04 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks alot it is working fine by adding

<httpHandlers>
<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>
Left by sathishkumar on Feb 28, 2008 3:48 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks Joseph

<add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/> worked for me
Left by tar on Mar 06, 2008 3:21 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I removed the following procedure from global.asax & it worked fine

Protected Sub Application_AcquireRequestState(ByVal sender As Object, ByVal e As System.EventArgs)

End Sub
Left by Bibhu on Mar 18, 2008 12:05 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hi,
I am facing this kind of an issue now - will appreciate any help around this.

I am having a modal pop-up with some ajaxcontrols (Telerik Text Boxes and Drop Down Lists). I have a javascript code which returns values to the parent page: window.returnValue = strReturnString; _self.close();

I get the 'Sys' is undefined error whenever this javascript is invoked and the modalpopup closes. What is worth noting is that the error does not appear if I remove the window.returnValue... statement from the javascript function.

Any idea how to get rid of this problem

Left by Dexter on May 18, 2008 6:56 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks joseph GOD BLESS U
Left by Wasi on May 21, 2008 8:48 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Guys,
Excellent blog, just because people put different solution for the same issues, helped me resolve the issues.

Thanks a lot,
Asif
Left by Asif Kidwai on Jun 11, 2008 10:21 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I had the very same issue. I created an ajax enabled website, ran it without modifications, it worked fine.

But when I added javascript to the page to handle some ajax specific tasks it broke. The fix I found was to place my javascript on the body tag instead of the header.

Hope this helps somebody.
Left by Treasure Baloyi on Jun 19, 2008 9:30 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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try this
<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>

instead of

<add verb="GET" path="ScriptResource.axd" type="Microsoft.Web.Handlers.ScriptResourceHandler" validate="false"/>

in httpHandlers block.
Left by Harsh on Jul 09, 2008 7:49 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Here you can find the possible causes for this type of error.

http://mangeshnerkar.blogspot.com/2008/07/demystifying-sys-is-undefined.html
Left by mangesh on Jul 18, 2008 12:51 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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It works very well using the top url in local computer. but when I access the top url in a client computer, it generates the error like this.
I am using the .Net framework 3.5 and sp1.

anybody can help me ? It's very urgent.
Left by jacky on Aug 25, 2008 6:55 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thank you
Left by parke on Sep 05, 2008 4:29 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thank you :)
Left by rüya tabiri on Sep 05, 2008 4:30 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I have added <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>

in httphandelers in web.config now it's working Thanks alot......
Left by Vishal Sanchihar on Sep 23, 2008 6:29 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Cuando todo falle: La raíz del proyecto tiene que tener permisos de ejecución (en el IIS)
Left by Marta on Sep 30, 2008 8:20 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hi, I need your help with this error 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions

I add this line
I have added <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>
in my web.config

In my localHost my web work perfect but when i upload my web page in my hosting I have the same error

what I do more??


thanks
Left by Cleiderman on Oct 09, 2008 8:33 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I manage to fix it when accessing the remote server after deleting the contents of the folder:

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files

even thought i'm using .net 3.5
Left by carlos rivero savcic on Oct 30, 2008 3:34 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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even after adding the below code it worked fine some PC but when i added the same code in my laptop it gives me the same old error "Sys is undefined" can any one please help me I am using vista operating system and IE 6.0
<add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />

Cud u please email me at kinipradeep80@gmail.com with solution
Left by pradeep on Nov 10, 2008 5:33 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I have created a ASP.NET 2.0 app with ajax control and it successfully works well in my windows server. However, I have a requirement to open this app from another website which is considered to be a portal (JSP) and then reads my app (windows server). The parent website is hosted in apache 1.3.27 (LINUX).

the browser throws 'Sys' is undefined
Left by Kalyana Devan on Dec 20, 2008 4:51 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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thanks for helping me
Left by baba on Feb 13, 2009 6:33 PM

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hi Suresh Behera
You save my day, this works like a charm.

<asp:ScriptManager ID="ScriptManager1" runat="server">
<Scripts>
<asp:ScriptReference Path="Script/PostBackScript.js" />
</Scripts>
</asp:ScriptManager>

Left by Shawn on Mar 19, 2009 4:52 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thank you so much it worked perfect after using System

<httpHandlers>
<add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/>
</httpHandlers>

Left by urpalshu on Mar 26, 2009 9:34 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Adding the httphandler <add verb> did it for me!

My website was originally on the ASP.NET 2 framework. I installed the ASP.NET AJAX 1.0 extension but always got a full page postback from the updatepanel. Tested on a new website using the ASP.NET 3.5 framework and the Ajax worked so I thought it could have something to do with the web.config or missing dll files. A little search on google and tried your recommendation and it worked.

Thanks!
Left by Joel on Apr 06, 2009 3:16 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hey Mike, Thanks a Lot. your change in the handler for Microsoft to System did the problem resolved.

Thanks
Mahe
Left by Mahe on Apr 07, 2009 2:27 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Wow it worked fine.....
<httpHandlers>
<add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/>
</httpHandlers>
Left by Supraja on Apr 27, 2009 12:32 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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This is really good advice. Thanks a lot.
Also - some users will still get a 'Sys' is undefined error if they have not setup the proper environment to test/run their Web Application. At times its just a matter creating a subdomain / virtual directory if not running your solution on your main site...
Left by Shem Fraser on May 06, 2009 5:12 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hi,

the following code will surely work.

<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>

However if something is not functioning as you expect, take the sample toolkit web site provided in www.asp.net. Copy the content the httphandler section from web.config and past it in your web.config file's httphandler. It should work
Left by Elan on May 15, 2009 12:28 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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thank you admin
Left by Edencity Chat on May 23, 2009 5:44 AM

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Thanks joseph GOD BLESS U
Left by Ülkeler on May 25, 2009 3:13 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Hello Thank You Admin mCx
Left by Liseli Kızlar on May 26, 2009 8:49 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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thanks for helping me
Left by trsohbet on Jun 08, 2009 7:24 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks Carlos!

I had the Sys undefined error and what I found was

1. It was only on certain client pc's. Some worked while others did not.

2. Both firefox and IE had the same error on those PC's. IE displays it in yellow at the bottom left corner, while FireFox hides it until you find that nothing works and check the Error Console (Ctrl+Shift+J or via menu 'Tools\Error Console')

3. My Web.config already had the httpHandler

<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>


On clients where this error occurs, just empty the folder

'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files'

delete everything and then retry. Both IE and firefox now work on PC's where they did not earlier

Hope this helps someone else.

Carlos thank you once again!
Left by Pratap Prabhu on Jun 11, 2009 9:37 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks a lot!
Left by Karthi on Jul 09, 2009 10:57 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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thanks for the SYSTEM part !
Left by Radyo Gelkeyfim on Jul 20, 2009 2:06 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Thanks Pratap Prabhu !
Left by Anil on Jul 30, 2009 2:48 AM

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I have done every thing but my site is not working.
Please do the needful.
Left by rajesh kumar on Aug 25, 2009 3:38 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Great Information dude, but the only thing is that my aplication was still not running after implimenting what you said.... I then tried to copy the <httpeventhandler> all code between them </httpeventhandler> from the webconfig of the path .. "C:\Program Files\Microsoft ASP.NET\ASP.NET 2.0 AJAX Extensions\v1.0.61025" and pasted it into the application and guess what... It worked and now I am able to start looking forward for the work.....

Thanks & Regards
Nitesh Gautam
---------------------

Phoenix, Raise from Ashes.....
Left by Nitesh Gautam on Sep 02, 2009 4:47 AM

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Thanks for your help.
Left by Srini on Sep 23, 2009 4:41 AM

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wow!!! thanks DUDE...that's help me solve this error :)
Left by harry gantenk(handsome) on Oct 20, 2009 8:16 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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To me, this error is solved and posted above by Joseph.

<add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/>

Thanks all you guys.
Left by pitini on Nov 19, 2009 6:51 AM

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Thanks Pratap Prabhu !
Left by kaderimsin on Nov 22, 2009 4:07 AM

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hallo i wish you verry succes operator
Left by zeus on Apr 06, 2010 9:01 PM

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hallo i wish you verry succes operator
Left by 08.06.2010 on May 29, 2010 8:18 AM

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GÜZEL VE KULLANMLI BİR ÜRÜN
Left by meksika biberi zayıflama hapı on May 31, 2010 11:19 PM

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hey m facin a problem wid ajax tools
plz help
these tools are wrking f9 bt showin error on design page, c the error below...
Error Creating Control - ----------------Unable to create type 'asp:---------'. Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

plz tell wt 2 do???
Left by Soni on Jun 15, 2010 6:10 PM

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not working....
Left by Indian on Jul 07, 2010 11:15 PM

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bailando bailando a migos a vo avo se nsie letro paxo
Left by Attic Stairs on Sep 15, 2010 2:33 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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hallo i wish you verry succes operator
Left by liseli kızlar on Nov 20, 2010 4:50 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I got solution.......thanks a lot
Left by saurabh sharma on Nov 23, 2010 5:38 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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Guys , i Got it working by putting the

<script language="javascript" type="text/javascript">
</script>

Above the </body> tag
Left by Satish on Dec 02, 2010 6:01 PM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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For me none of the above worked.
Untill I saw Joseph comment:

<add verb="GET" path="ScriptResource.axd" type="Microsoft.Web.Handlers.ScriptResourceHandler" validate="false"/>

if word "Microsoft" in verb creates problem use System instead ..revised verb will be

<add verb="GET" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler" validate="false"/>

Well, this didn't work either.
But it inspired me to add an empty file to my site.
And finally, this magic solved the problem.

Left by Arnon on Jan 12, 2012 12:26 AM

# re: 'Sys' is undefined - ASP.NET 2.0 AJAX Extensions (ATLAS) Web Applications

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I meant - I added an empty file and called it: "ScriptResource.axd"
Left by Arnon on Jan 12, 2012 12:28 AM

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