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asp.netiis.net-4.0ajaxcontroltoolkitenterprise-library

Could not load file or assembly Microsoft.Practices.EnterpriseLibrary.Common, Version=4.1.0.0 ASP.NET 4.0

Platform : ASP.NET 4.0
Application : A website project with a Datalib ClassLibrary attached to it
Dependencies:
Dependencies of the project IIS: 5.1(local and IIS 7.0 online)

I am getting the error at localhost. I haven't checked online yet.
The whole thing was working at ASP.NET 3.5 and now when i upgraded to ASP.NET 4.0 I get the following error.

The yellow screen at Browser

The Stack Trace is

alt text

At VisualStudio 2010, the error is

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This is not happening everytime.
The first runs always show this error.

What could be wrong?

Solution

  • I guess it's looking in the wrong place for some reason... try adding this assembly to the server GAC and remove it from the BIN folder.