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Editorial Team
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Asked: 2026-05-23T01:34:01+00:00

I installed Umbraco on my server, it has MySQL.Data.dll 5.1.2.2 in bin file. I

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I installed Umbraco on my server, it has MySQL.Data.dll 5.1.2.2 in bin file.

I created a ASP.NET user controls that insert users to Moodle DB, ( Generated DataLayer using Subsonic).

I generated DataLayer in Subsonic solution that has MySQL.Data.dll 5.1.4.0.

Now Umbraco is working fine, but the control that has Inserting To MYSQL DB is generating the below error:

Could not load file or assembly
‘MySql.Data, Version=5.1.4.0,
Culture=neutral,
PublicKeyToken=e9238d4446c6cba1’ or
one of its dependencies. The located
assembly’s manifest definition does
not match the assembly reference.
(Exception from HRESULT: 0x80131040)

If I copy MySQL.Data.dll 5.1.4.0 to Umbraco bin folder, all Macros in Umbraco are not working and giving me XSLT Parsing error..

How can I solve that problem?

What about redirecting assembly versions in web.config?? How can setup that?? And will it work?

Regards

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1 Answer

  1. Editorial Team

    Reinstalling MYSQL Connector to latest version and doing Assembly Redirection to 6.2.3.0 solved the problem

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