c# xls and xlsx file import

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I want to load xls and xlsx file in c#. For xls I'm using:

C#

Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=;Extended Properties=\"Excel 8.0;HDR=YES\

For xlsx :

C#

Provider=Microsoft.Ace.OLEDB.12.0;
Data Source=;
Extended Properties=\"Excel 12.0;HDR=YES\

once the projects platform target was Any Cpu I can upload xlsx file without problem but when I upload xls file I got the following error:

HTML

"The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine."

And if I change the Platform Target to x86 then xls file is uploaded without problem but this time xlsx file is giving this error:

HTML

"The 'Microsoft.Ace.OLEDB.12.0' provider is not registered on the local machine."

How can I upload but file formats without error?

Thanks

Posted 6-Sep-12 21:26pm

Updated 6-Sep-12 21:46pm

v3

2 solutions

JET Supports only 32 bit.

Xls with ACE Driver:

CSS

Provider=Microsoft.Ace.OLEDB.12.0;
 Data Source=;
 Extended Properties=\"Excel 8.0;HDR=YES\"

XLSX with ACE Driver:

CSS

Provider=Microsoft.Ace.OLEDB.12.0;
 Data Source=;
 Extended Properties=\"Excel 12.0;HDR=YES\"

And also make build to Specific x86 for your app. Do not use Any CPU. I have faced issues on 64 bit OS when Office 12.0 ACE driver used.

You may also try latest driver:

http://www.microsoft.com/en-us/download/details.aspx?id=13255[^]

Posted 6-Sep-12 21:40pm

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kubi081 · Accepted Answer · 2012-09-06T21:39:00

Using the same ACE.OleDB works..

Posted 6-Sep-12 21:39pm