Problem with Using Microsoft Enterprise library (The located assembly's manifest definition does not match the assembly reference)

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Hi,
Previously we are using Microsoft Enterprise Library version=3.1.0.0 now we are included new version 4.1.0.0 DLL's, We changed all DLL reference and config File also when i am trying to run i got this problem ...

i got this one where we are using a separate project for DataAccess(we replace with new DLLs,Rebuild the project added reference for the project)

An error occurred creating the configuration section handler for dataConfiguration: Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.Data, Version=4.1.0.0, Culture=neutral' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

this one exception handling in current project...

An error occurred creating the configuration section handler for exceptionHandling: Could not load file or assembly 'Microsoft.Practices.EnterpriseLibrary.ExceptionHandling, Version=4.1.0.0, Culture=neutral' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

i removed all old DDL and supporting files from bin and added new reference in project...

Can any one help me

Posted 24-Apr-11 18:57pm

Rajesh Kumar Chekuri

Updated 24-Apr-11 20:12pm

Sandeep Mewara

v2

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Sandeep Mewara 25-Apr-11 2:12am

Putting too many things in bold makes it hard to read.

2 solutions

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Rajesh Lagaria · Answer 1 · 2011-04-24T20:13:00

Solution 1

remove project solution file from your project and open

then save new solution

Posted 24-Apr-11 20:13pm

Rajesh Lagaria

Comments

Rajesh Kumar Chekuri 25-Apr-11 4:54am

thanks for replies ...

Sandeep Mewara · Answer 2 · 2011-04-24T20:14:00

Solution 2

Based on the error, your project/assemblies are still referenced to the older version of Enterprise assembly dll's.

Try cleaning the project. Delete bin & obj folders. Make sure any third party or cross project assembly referenced is using latest/correct version of EL assembly. Refer the current version, rebuild application and see if it helps.