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Could not load file or assembly "Infragistics35.WebUI.UltraWebListbarv9.1" or one of its dependencies.  The system cannot find the file specified.

Posted on 2009-05-04
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Last Modified: 2013-12-17
I have built an application using Infragistics components.  The application runs fine on my developement machine but when I copied all the files to my web server I get this error message.  I did copy the Infragistics .dll files to the c:\inetpub\wwwroot\webapp directory.  I thought if they were in the main directory, it should find the file.  Any ideas on how to solve this problem?

Here is the exact error message:

Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: Could not load file or assembly 'Infragistics35.WebUI.UltraWebListbar.v9.1, Version=9.1.20091.1015, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb' or one of its dependencies. The system cannot find the file specified.

Source Error:


Line 33:         <add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
Line 34:         <add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
Line 35:         <add assembly="Infragistics35.WebUI.UltraWebListbar.v9.1, Version=9.1.20091.1015, Culture=neutral, PublicKeyToken=7DD5C3163F2CD0CB" />
Line 36:         <add assembly="Infragistics35.WebUI.Shared.v9.1, Version=9.1.20091.1015, Culture=neutral, PublicKeyToken=7DD5C3163F2CD0CB" />
Line 37:         <add assembly="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
 

Source File: C:\Inetpub\wwwroot\Rad Relay\web.config    Line: 35
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Question by:kwh3856
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6 Comments
 
LVL 8

Accepted Solution

by:
RyanAndres earned 250 total points
ID: 24299568
It may be searching for the files where .NET is installed.

ie. C:\Program Files\Microsoft.NET\Primary Interop Assemblies

Or, the version does not match.
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LVL 6

Assisted Solution

by:SaedSalman
SaedSalman earned 250 total points
ID: 24300269
rebuild the solution, if this not worked then copy the source code to a new solution
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Author Comment

by:kwh3856
ID: 24300458
Ryan,
No luck with copying the files to the Interop directory
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Author Comment

by:kwh3856
ID: 24301164
Found the problem.  I needed to copy the .dll files in the webapp/bin directory.  Once I copied the correct .dll files there, it worked properly.
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LVL 6

Expert Comment

by:SaedSalman
ID: 24308893
Yes, right. rebuiled the solution might re-create the dll files, otherwise copy the source code to a new solution will surelly re-create the dll files.
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Author Closing Comment

by:kwh3856
ID: 31577765
I wanted to say thank you for each of you helping me with this problem.

Thanks
Kenny
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