Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. The system cannot find the file specified

Question

i have installed AJAXcontrolsToolkit with my visual studio and placed "Combobox" Ajaxcontrol controls in my webpage . when i am compiling the code getting below error

"Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. The system cannot find the file specified"

i have noticed when i register AJAX controls assembly need to give the assembly name,version,culture,publickeytoken ex: <%@ Register Assembly="AjaxControlToolkit, Version=3.5.40412.0, Culture=neutral, PublicKeyToken=28f01b0e84b6d53e" Namespace="AjaxControlToolkit" TagPrefix="asp" %> — Jeyavel
– Jeyavel, Commented Jul 29, 2010 at 12:29

Sachin Shanbhag · Accepted Answer · 2010-07-29 12:26:51Z

1

Have you added the required assembly to the references of your project?

answered Jul 29, 2010 at 12:26

Sachin Shanbhag

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Sachin Shanbhag Over a year ago

@Jeyavel : Is the problem resolved now or are you still facing the same assembly load error

LPL · Accepted Answer · 2011-10-30 19:37:51Z

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The above post was very useful

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>

I was using the above code , i replaced the code as below and now working

<%@ Register Assembly="AjaxControlToolkit, Version=3.5.40412.0, Culture=neutral, PublicKeyToken=****" Namespace="AjaxControlToolkit" TagPrefix="asp" %>

Thanks for your post

edited Oct 30, 2011 at 19:37

LPL

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answered Oct 20, 2011 at 7:01

GRam

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David · Accepted Answer · 2013-01-31 21:32:20Z

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I use File-Zilla to upload my files to the web server. I found that my reference files (AjaxControlToolkit.dll and AjaxControlToolkit.pdb) in the bin folder on the web server had not been completely transferred. so I deleted them and I uploaded new ones from the development site directly into the bin folder of the web server.

And Voila! Everything just fell into place like magic.

answered Jan 31, 2013 at 21:32

David

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Fábio Rodrigues Fonseca · Accepted Answer · 2017-12-17 10:39:12Z

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The application not load because it not find or not is compatible, try to do download from at nuget Install-Package AjaxControlToolkit -version x.x, or in site.

answered Dec 17, 2017 at 10:39

Fábio Rodrigues Fonseca

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