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dsofile.dll not working in VS2008 Website on Windows 7 64-bit machine

Posted By:      Posted Date: October 22, 2010    Points: 0   Category :ASP.Net

Hello Everyone,

I need to extract meta-data of different files, as uploaded by the user.

For this I found out dsofile.dll from MS. Now the problem is that the version I've downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyId=9BA6FAC6-520B-4A0A-878A-53EC8300C4C2&displaylang=en is working fine with Windows XP but giving run-time error in Windows 7 64-bit system. Finding more on the error I was getting I came to know that the dll would not work for 64 bit OS. I also downloaded 64-bit from http://www.keysolutions.com/blogs/kenyee.nsf/d6plinks/KKYE-79KRU6 but still am getting below run-time error:

Retrieving the COM class factory for component with CLSID {58968145-CF05-4341-995F-2EE093F6ABA3} failed due to the following error: 80040154.

I've two questions:

  1. How can I solve this run-time error and from where will I get dll working in VS2008 Website on Windows 7 64-bit?
  2. Is there any other way I can extract meta-data (all the attributes/properties other than exposed by System.IO.FileAttributes) of any file (could be doc, docx, xls, xlsx, jpg, pdf, t

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