System.Runtime.InteropServices...

Joseph.Xiao asked:

Hi All,

The issue detail is:
i reference one 3rd part .dll file in my project and one page used this .dll,everything is fine when i run through Visual Studio 2010, but after deployed the website on IIS7 and run the page again. the following error will disply

System.Runtime.InteropServices.COMException: Retrieving the COM class factory for component with CLSID {51751BB8-59E5-4E78-B9F5-97E0EDF7A9CB} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).
at ChinaPnR.WebServices.Certification.GetChckValue(String version, String OldOrdId, String CmdId, String RefAmt, String MerId, String OrdId) in E:\Work\Projects\Hermes\Document From TSO\IIS_WebService_Management\ChinaPNR2\ChinaPNR2\WebServices\Certification.asmx.cs:line 40

i have already regsitered the dll file through Regsvr32 command.

any idea?

thanks in advance.

Tags: .NET (.NET4), COM, IIS, DLL

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