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Spent the weekend so far using the new release of Visual Studio 2008 and ASP.NET AJAX. More specifically, I have been using the ASP.NET AJAX Control Toolkit. Adding the new controls to your VS2008 toolbox is a straight-forward process, but when I added them - at first everything was fine - but after a few hours they seemed to magically disappear.

Trying to add them again didn't seem to do anything at all as nothing changed. Right-clicking on the VS2008 toolbox and selecting Show All actually did give me the AJAX controls back in the toolbox (they really never left) BUT - they were all grayed out and I was unable to use them in any of my ASP.NET projects.

AJAX controls error

I tried deleting this group and even reset my entire toolbox - but nothing seemed to change it back. After a bit of wrangling, these are the steps I used to get around the problem (using Windows Vista).

1) Shut down Visual Studio 2008

2) Go to your Task Manager and make sure that the dev.exe process is NOT running. If it is, end the process.

3) Go to C:\Users\[user]\AppData\Local\Microsoft\VisualStudio\9.0 and delete all the .tbd files. There will be four of these files. If you can't seem to navigate to this folder, you will have to go to your Folder options and enable it to see all hidden files and folders.

4) From there, open up Visual Studio 2008 and re-add the group and the controls to your toolbox.

To tell you the truth - I had to run through these steps twice before it actually worked. Not sure of the reason for that - but it worked in the end.

Posted on Saturday, November 24, 2007 1:56 PM | Back to top


Comments on this post: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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If you also have several visual studio applications open, you will need to close all instances before attempting to install any controls. Otherwise, it won't work at all.
Left by Dennis on Nov 25, 2007 1:17 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I have run through this process multiple times with no luck. It worked one time and then went back to being grayed out.

The only thing I can figure is the project I am working with is an upgrade from the old AJAX stuff.

Any ideas?
Left by Andrew on Dec 13, 2007 11:41 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Has anyone discovered the cause/resolve for this issue? I am as well experiencing this problem. The suggested solution did not work for me.
Left by Matt on Jan 18, 2008 3:09 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Same here...I'm desperate to get this working for a project I have to have done by Monday, but all resources online point to this article which does not solve the problem for me. I've tried everything and wasted hours and hours on it. Can ANYONE help?????
Left by Jon on Feb 02, 2008 3:18 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I have seen two solutions to this problem other than what is mentioned in this article. The first is that many people using a Microsoft wireless mouse and/or keyboard have to issue. Crazy, eh? This makes me think it would be a good idea to unplug/disable any unneeded hardware in your computer (especially Microsoft wireless) and retry your previous steps to see if it corrects the issue. The other solution I stumbled on is to look at the properties of your project and see what FRAMEWORK you are targeting. I opened an asp .net 2.0 site, and was not able to get the AJAX controls to appear until I targeted .NET 3.5. There are other controls that were added to .NET 3.5 that won't be available unless you are working with that framework. Hope this helps!
Left by Matt Man on Feb 07, 2008 9:31 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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You must change the target to 3.5 in the property pages and the problem will be solved.
Left by nomadsolo on Feb 13, 2008 10:20 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Having the same problem even though everything is setup for 3.5. It works on the laptop, but will not work with my wireless mouse through a KVM switch. I can start VS2008 on the laptop, throw the KVM switch to the wireless and it continues to work. This is a very weird problem. I emailed MS and will post any results.
Left by Larry on Feb 22, 2008 3:34 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I had the same problem with VS2008 and the toolkit controls graying out. After doing extensive searching and uninstalling and installing I discovered that it was my MS wireless mouse that I use on the laptop. If you unplug the USB mouse device and then start VS2008 you can see and use the controls.
Left by skries on Feb 25, 2008 7:51 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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My problem ended when I unplugged my Microsoft wireless mouse and keyboard and followed these steps:
(1) I quit Visual Studio
(2) I deleted the .tbd files in the (hidden) directory <USER_NAME>\AppData\Local\Microsoft\VisualStudio\9.0
(3) Plugged in a wired mouse and keyboard (USB)
(4) Restarted VisualStudio 2008
(5) Opened a new Web Site project
(6) Added a Tab for the controls
(7) Browsed for and added the AJAXControllToolkit.dll

:-)


--- VERSION NOTES ---
Microsoft Visual Studio 2008
Version 9.0.21022.8 RTM
Microsoft .NET Framework
Version 3.5
Installed Edition: Enterprise

OS Name Microsoft® Windows Vista™ Ultimate
Version 6.0.6000 Build 6000
OS Manufacturer Microsoft Corporation
Left by Alex Horovitz on Feb 27, 2008 8:12 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I guess you don't need to close VS, if you installed everything correctly but still can see the AJAX Extensions tab in the Toolbox for certain project.

You could try to fix it by changing the project property -> Target Framework -> change from .NET Framework 2.0 to 3.5. It works for me.
Left by K on Mar 03, 2008 9:41 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I thought the whole thing about a problem when using a MS wireless mouse was crazy and ignored the solution. After all else failed I gave in and unplugged the mouse receiver. Guess what? It worked! That's just crazy! Thank you so much for posting this solution!
Left by Drew on Mar 14, 2008 9:39 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Any idea on IF Microsoft will every provide any patch for this? With a USB wireless mouse/kb attached to the back of a large case (tucked away) it isn't practical for me to disconnect my input devices (you can't just disconnect one). The idea of having wireless devices was to eliminate clutter, so I don't like the idea of needing to keep a wired setup attached JUST for VS2008.
Left by daneck on Mar 20, 2008 10:05 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I was using a Microsoft wireless mouse and my AJAX Control ToolKit controls were disabled, but when I switched to a Dell wireless mouse, the controls worked fine. I will continue to use the Dell wireless mouse until there is a fix for the Microsoft wireless mouse. Hope this helps...
Left by wtbonnell on Apr 03, 2008 10:51 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Another user with the MS wireless mouse issue. I think I found a workaround: start VWD 2008 Express (or VS, I would assume), then plug in the mouse. Or unplug/re-plug the mouse after you start the IDE. It's been working for me for the last several minutes. Not an ideal solution, but better than using my laptop's touchpad.
Left by Jack Lucky on Apr 06, 2008 6:08 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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This is unbelievable!! I have been trying to fix my toolbars for days now! I couldn't believe it was my MS wireless mouse/keyboard causing this. That is until I read the posts here today and tried it myself. THANK YOU!!!

P.S. Microsoft: I'm buying a Dell wireless kb/mouse combo today. I'll be contacting you for reimbursement.
Left by JoDaCoda on Apr 17, 2008 8:14 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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UPDATE: I didn't buy a Dell wireless kb/mouse, but I did purchase the Logitech Cordless Desktop MX3200 Laser, and all is working fine. My toolbars in VS 2008 are still available.
Left by JoDaCoda on Apr 21, 2008 9:59 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Yes I fixed this problems..believable:) MS wireless mouse/keyboard causing this.
Left by Mehmet YILDIRIM on Apr 22, 2008 6:30 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Yep, I have the same issue with the Ajax toolkit not showing. I just closed vs2008 and unplugged the usb wireless receiver and started VS2008 and it showed the Toolkit (i think I had to do show all also). I plugged in the wireless USB receiver and the Ajax Toolkit still shows. However if I start another instance of vs2008 with the usb receiver plugged in the new instance will not show the Ajax toolbar, while the instance of vs2008 that was started without the usb receiver plugged in kept showing the Ajax toolkit.
Left by Islandhopper8 on Apr 30, 2008 1:39 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Wow!!! Sure enought...the problem is the Microsoft wireless mouse! I would have thought you all were crazy! I unplugged it, the the toolkit came back after restart of Visual Studio.
Left by Allen Berezovzsky on May 09, 2008 1:05 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I have a Microsoft wireless mouse and keyboard as well. I just start VS 2008 and press the reset button on the wireless base that resets the keyboard and mouse and the Ajax toolkit shows up. If I close VS 2008 down I have to press the reset button again.

Very weird!
Left by David Kemper on May 19, 2008 6:24 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Big problem,

I followed the steps here( including removing my M$ wireless mouse ) however adter removing the tbd files NO TOOLBOX COLTROLS ARE ACCESSABLE NOW! everything is greyed out im seriously in trouble here this is my primary dev environment. Im going for a reinstallin a minute here this is a big problem if anyone has any other suggestions please post them
Left by Joseph on May 29, 2008 4:15 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Does anyone else have this 'greyed out toolbox' issue with a wired mouse? My controls comeback if i change the projects property to .net 3.5 - do I still have the same mouse driver problem (I cant seem to fix it by using a different mouse).

This is the oddest problem ever hah!
Left by Andrew on Jun 02, 2008 9:49 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I also had the same issue, with my Microsoft wireless mouse. After removing it my Ajax Control ToolKit was visible again.
Left by Khnum on Jun 21, 2008 1:38 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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You've got to be kidding me. I have been banging my head against the wall for the last 5 hours. I unplugged my MS wireless keyboard and mouse and bingo!
Left by phxgrl on Jul 05, 2008 2:27 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I don't believe it. Been banging my head on this for a day. Removed keyboard and it works.

My issue was not with the Ajax control toolkit but rather Infragistics and Telerik Asp.net 3.5 controls. Problem seems to be related to 3.5 version of the framework.


Left by Poobalan on Jul 08, 2008 4:39 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Wow, I've spent a week troubleshooting this problem that I'm having. It's like you are sitting at my computer. I have a Microsoft keyboard but it is not wireless. I will try the trick with the .tbd files. Right now the toolkit is visible in NEW projects, but a current project I'm running doesnt seem to have the toolkit there (when i showall it's grayed). I'm gonna feel great if this works finally!!!
Left by Deborah B. on Jul 19, 2008 9:46 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I did as suggested. Altho I'm on an XP box so the path to the tbd files was different.

C:\Documents and Settings\[user]\Local Settings\Application Data\Microsoft\VisualStudio\9.0

Then I went to the property pages and changed the target to 3.5, and the toolbox came up immediately. I did not have to disconnect my (wired) Microsoft keyboard. Ive bookmarked this fix to my favorites, its the ONLY one that I've found to work
Left by Deborah B. on Jul 19, 2008 11:12 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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In my setup (Vista UE SP1/VS2008 SE) M$ wireless keyboard/mouse is the source(?) of that problem too. So it works like freaking magic now: no "AJAX control toolkit" group present after I start VS2008; then I push "Reset" button on wireless receiver and vuala - the group appears from nowhere with all controls enabled. I've been dealing with M$ products for many years, so I am not complaining, my only polite request to M$ is - could I upgrade my wireless receiver with a treadle, so I don't have to reach for the Reset button with my hand and could conveniently pedal it every time I start VisualStudio?
Left by Dan on Aug 07, 2008 12:39 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Fixed it for me
Left by scott on Aug 12, 2008 8:30 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Fixed for me, unplug the mouse and Voila!
Left by Luis Guzman on Aug 15, 2008 8:37 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Thank you very much for the fix. It worked like a charm!
Left by David S. on Aug 24, 2008 12:29 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Set the target Framework ....
Left by Jeremy on Aug 28, 2008 6:19 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Internet search is a blessed thing. I could have never imagined that the cause for this problem is using a wrong mouse (MS wireless). After chaging the mouse the AJAX controls were not dimmed out anymore.

It would be fair for MS to come forward and tell what they will do to fix the problem. At least there could be a warning on CodePlex pages to avoid waste of peoples' time and talent.

Marlin


Left by Marlin on Sep 05, 2008 3:39 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I just installed Visual Studio SP1 and it fixed the problem. That was one of the weirdest problems I've ever seen.
Left by Larry on Sep 11, 2008 9:24 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Unbelievable! Everything was working fine when I had my wireless mouse and wireless keyboard. A few days ago the batteries went flat in the mouse and I swapped to a wired mouse but kept the wireless keyboard. It would seem that was enough to make my AJAX controls to vanish. Two days wasted. But thankyou for this blog. In a thousand years I wouldn't have guessed it was relaetd to my keyboard. Anyway, all I did to fix it was to swap to a wired mouse and keyboard then restart Visual Web Developer. Bingo!
Left by Alan Edney on Sep 17, 2008 4:48 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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This problem also exists with Wacom Graphire 4 tablet pens. If you run into this problem, just unplug it with VS2008 running, and plug it back in. My condolences to anyone with a computer lodged under the desk... O_o

Microsoft. Get off your asses and patch this, you lazy bums. Google is going to conquer the world way before you idiots do. You're slacking.
Left by SeanKendle on Oct 07, 2008 12:42 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Disconnecting microsoft usb mouse didn't work. So I went to Website, start options, build and changed target framework to 3.5. After that I was able to view Ajax control toolkit. But if I change to other version, it disappears again.

I am using VS2008 Pro edition on XP
Left by Rabi on Oct 23, 2008 6:21 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I don't know how hardware can have an affect on the Control Toolkit not showing up but as Rabi pointed out you need to change the target framework within the site properties to 3.5 if you are using the 3.5 Toolkit. Once you do that, everything shows up like it should.
Left by IDN on Oct 31, 2008 4:47 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Yes i had the same problem with the greying out of the AJAX toolkit. I did not think it was installed and I tried it several times. Finally, I tried googling for solutions.

I found this post and viola as someone previously said, it worked!!

I unplugged the MS wireless mouse and the toolkit was enabled when the project was loaded.

Thanks so much. I wish I had found it earlier.

Left by phillips9j on Dec 08, 2008 7:36 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Hi,
I got in stuck in this problem too. I downloaded the Ajax Control Toolkit 3.5 and followed the intructions. I installed the AjaxControlExtender.vsi and added the AjaxControlToolkit.dll into Toolbox. But when creating a new website, i see no where to create an AJAX control toolkit website in "My Templates" corner as in instructions. And when trying to create a "ASP.NET AJAX-Enabled website", i found that the AJAX Control Toolkit i've just added has grayed out. I dont khow how to solve...
Left by Lewis Le on Jan 11, 2009 10:03 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Having a cup of coffee beside your computer makes the controls grayed out.
Silly Microsoft products....
Left by kups on Jan 13, 2009 8:47 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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thanks 4 ur idea...if i have a rock...push the screen immediatedly...d...
Left by Lewis Le on Jan 14, 2009 8:42 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I am using an HP keyboard and wireless mouse and had the same issue with the Ajax Control Toolkit controls being disabled.

Going to the Website, start options, build and changing the target framework to 3.5 immediately did the trick. All of the controls in the toolkit were immediately available with out restarting.
Left by Byron Polk on Jan 17, 2009 6:53 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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The solution is what Byron Polk says! Could not beleive is the mouse , oh come on !!! :)

Just go to website>start option>build and change for framework 3,5 ...!
Left by Plaf on Jan 19, 2009 1:44 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I can't believe this is the case, but I unplugged my Microsoft Wireless keyboard and mouse and plugged in my logitech one and the toolkit appeared as soon as i started up VS. This is one of the wierdest and worst bugs ever.
Left by Steve on Jan 22, 2009 7:26 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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This one worked for me...

"You must change the target to 3.5 in the property pages and the problem will be solved."
Left by Matt on Feb 02, 2009 11:07 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Thank you All for your posts...

After changing the project property and changing Target Framework to 3.5 it worked like a charm...
Left by Anil on Feb 06, 2009 8:42 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Using XPSP3, VSExpress C# w SP1 (have not yet installed the pro, was going to so the bug would be resolved but as I've read it wouldn't). Tried everything, unpluggin mouse, kb, USB-hub in monitor, deleting the .tbd (?)files, restarting multiple times, setting framework to .NET 3.5, creating new solutions...

Nothing works! Damn bug!
Left by Marcus //SE on Feb 13, 2009 7:06 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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My problem is almost the same, it only has to do with the shockwave flash object control (FLDbg10.ocx) (not ajax). I tried every method on this page, without succes. Never took me 5 days to get a flash movie working on a aspx page ... (vs 2008 pro on vista)
Left by Dave on Feb 13, 2009 7:14 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Hitting the reset button on the Microsoft Wireless keyboard is what did the trick for me. I'm using VS2008 SP1, 3.5 Frameworks, Windows Vista Ultimate.

I was having a hard time believing the other posts but sure enough ...

The problems seems to recur so when I close VS, open the project, hit the reset button on the wireless receiver then hit the pairing button on the back of the keyboard.

Hard to believe but true.
Left by PacificWinter on Feb 25, 2009 11:41 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I have same issue without anything wireless attached to my PC. But I have seen that if I put the TV remote control next to my keyboard; that spilling coffee ruins two for the price of one!
Left by David Hodgson on Mar 05, 2009 10:16 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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My solution is very simply, just create new project -> Web Site, not new Web but new project than you will have enable ajax toolkit , when you use web site it doesn't .
Left by Junak on Mar 12, 2009 4:57 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Thank you! I thought I was going to lose my mind trying to get the ajaxtoolbox controls to become available after reinstalling vs2008... seems as though the wireless mouse and keyboard were the problem... controls worked as soon as i replaced the mouse and keyboard with usb ones... :-)
Left by Karen Hall on Mar 16, 2009 11:13 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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UNBELIEVABLE : the issue was realy solved by resetting the wireless keyboard pairing... Absolutely ridiculous, but the fact is it working now. Tks Msft
Left by kiramus on Apr 08, 2009 4:10 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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for me, The key is to change the build target to .NetFramework 3.5 since I installed the version 3.5 AJAX extension

VS2008 > Website > Start Options > Build > .Net Framework 3.5
Left by li on Jun 23, 2009 12:18 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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This worked for me,

in Solution Explorer, right click on your project/website. Select "Property Pages" (should be the very bottom option). A dialog box opens, on the menu to the left select "Build". Change the Target Framework to ".NET Framework 3.5". Select Apply and close the dialog box.

AJAX Toolkit will now show up and options won't be grayed out.
Left by Ernestowww on Aug 11, 2009 9:17 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Changing the Target Framework to ".NET Framework 3.5" worked a treat! I didn't need to unplug my iPod, Blackberry or MS mouse. I did have to unplug from the Matrix though. :)
Left by weedy on Sep 23, 2009 10:45 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Well install service pack 1. and you can use wireless everything as well.
Left by Muneeb on Oct 23, 2009 1:29 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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This worked for me,

in Solution Explorer, right click on your project/website. Select "Property Pages" (should be the very bottom option). A dialog box opens, on the menu to the left select "Build". Change the Target Framework to ".NET Framework 3.5". Select Apply and close the dialog box.

DO NOT THEN RESTART VStudio..... worked for me after trying everything else.
Left by msMonkey on Dec 08, 2009 4:20 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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the solution is work which is left by Matt Man above... if you have microfost wireless disable it and then add tab , dll by choose items .. it works..

thank you Matt Man... I could never think that it will be because of mouse ...Crazyness
Left by Gokhan YILMAZ on Mar 03, 2010 5:33 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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the solution is work which is left by Matt Man above... if you have microfost wireless "MOUSE" disable it and then add tab , dll by choose items .. it works..

thank you Matt Man... I could never think that it will be because of mouse ...Crazyness
Left by Gokhan YILMAZ on Mar 03, 2010 5:35 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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This is soooooooooo crazy man.........

replaclcing MS wireless Keyboard and mouse worked..........
Left by Hiren Patel on Mar 29, 2010 8:44 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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Go to your project properties & select target framework as .net 3.5. it will work now.
Left by Sandip Parmar on May 01, 2010 9:45 PM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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WIRELESS MOUSE/KEYBOARDS HAVE NOTHING TO DO WITH IT ;)

This can easily be fixed:
Create a new folder and copy your project files. Open your project/website from the new folder.

Now it works. This occurs when visual studio/visual web developer saves info about your project. Something is corrupt/missing/not correctly referenced. When you create a new folder, it rebuilds the project info, thus fixing the problem.
Left by jackbnimble on May 04, 2010 7:11 AM

# re: AJAX Control Toolkit Controls Grayed Out - HOW TO FIX
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I have tried all the options
1. I deleted .tbd files option - NO CHANGE

2. I have created new folder & copy-pasted all the files - NO CHANGE

3. I am not using any wireless devices


What could be the reason, expecting you valuable soultion.
Left by Imt on Jun 06, 2010 1:24 AM

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