Could not load file or assembly System.Web.Extensions
August 4, 2008 at 12:57 PM
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Familier with the following error message once you finish deploy your web application to the server ? And you will wondering why before you upload, everything just working fine and once upload, the below lovely message will appear.
The reason is because you didnt upload the required DLL which is System.Web.Extensions together with your application BIN directory.
To solve the following error, what you will need to do is simple, look for the System.Web.Extensions file on your local development PC ( C:\Program Files\Microsoft ASP.NET\ASP.NET 2.0 AJAX Extensions\v1.0.61025\System.Web.Extensions.dll) or the download link below and upload to the webserver yourapps\BIN folder.
Server Error in '/' Application.
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 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
Source Error:
Source File: PATH\web.config Line: 40
Assembly Load Trace: The following information can be helpful to determine why the assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded.
Version Information: Microsoft .NET Framework Version:2.0.50727.3082; ASP.NET Version:2.0.50727.3082
Download : System.Web.Extensions.dll (685.37 kb)