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Could not load file or assembly 'System.Web.Extensions by suchin_see


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Type: Bug
ID: 664128
Opened: 4/22/2011 2:52:24 AM
Access Restriction: Public
User(s) can reproduce this bug


"Could not load file or assembly 'System.Web.Extensions, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)”.

The error happen when publish the .net 2.0 project with target 2.0 framework by vs2010
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Posted by Microsoft on 9/15/2011 at 10:20 AM
Hi Suchin_see,

To help find an answer to your question, could you please provide a demo project that repros the problem?

John Wen
Web Platform & Tools Team
Posted by Microsoft on 6/9/2011 at 11:41 AM
Suchin_see. We have not been able to reproduce this issue in our labs. Can you please attach a repro project which demonstrates this issue?

Bill Hiebert
Web Platform & Tools Team
Posted by Microsoft on 4/24/2011 at 11:12 PM
Thank you for submitting feedback on Visual Studio 2010 and .NET Framework. In order to efficiently investigate and reproduce this issue, we are requesting additional information outlined below.

Could you please give us a demo project to demonstrate this issue so that we can conduct further research?

Please submit this information to us within 4 business days. We look forward to hearing from you with this information.

Microsoft Visual Studio Connect Support Team
Posted by suchin_see on 4/24/2011 at 10:48 PM
I've just solved it by copying



into the C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727 folder then now it can be published and viewed. \

The question is:

Why it doesn't refer to the two DLLs inside my BIN folder??? When i tried to refer the DLLs to the BIN folder, it auto refer to GAC.
Posted by Microsoft on 4/22/2011 at 3:13 AM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(http://support.microsoft.com)
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File Name Submitted By Submitted On File Size  
20..JPG 4/22/2011 88 KB
20..JPG 4/22/2011 88 KB