Could not find installable ISAM.

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Hi all,

I am getting error as "Could not find installable ISAM" when I am retrieving data from excel sheet(xlsx extension -Excel 2010) in asp.net web application into data table using oldeb connection string. But when I save the same sheet in excel 97-2003(xls extension) its working fine.

Connection string is

sConnection = "Provider=Microsoft.ACE.OLEDB.12.0; Data Source=" + cntrlFileUpload.PostedFile.FileName + ";Extended Properties=Excel 12.0;HDR=YES";

Note: Its working absolutely(both xlsx and xls formats) fine in Windows application.
Guide me in resolving this issue.Thanks in advance

Posted 30-Sep-14 20:30pm

DileepReddyC

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Richard MacCutchan 1-Oct-14 4:09am

Have you installed the ACE library on your system?

DileepReddyC 1-Oct-14 5:32am

Hi.Yes it is installed.As I mentioned in windows application its working fine.

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Maciej Los · Answer 1 · 2014-10-01T11:26:00

Solution 1

Check and set proper connection string: http://www.connectionstrings.com/excel/[^]

Note: Extended Properties must be closed with " (double quote), for example:

C#

Extended Properties="Excel 8.0;HDR=YES"

Posted 1-Oct-14 11:26am

Maciej Los