Need to update Excel file without installing Excel

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Hello All,

I have created a window application which used for append the excel file content.
I used Microsoft.Office.Interop.Excel namespace for append Excel file. Now all things are working fine. I install this application in one of system which is not having MS office, now in that case it show error.
I install the Re-distribute package of Microsoft and that also not work.

Please give some idea or help regarding this.

Thanks.

Posted 25-Sep-11 21:33pm

gaurav003

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walterhevedeich 26-Sep-11 3:37am

After you have installed the redistributable, what error were you getting?

gaurav003 26-Sep-11 3:45am

The error is "object refrence not set to the instance of an object" while creating workbook.

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Madhu Nair · Answer 1 · 2011-09-25T22:09:00

Solution 1

Which re-distribute package you installed ?
You need a licensed Excel installed in the client system, otherwise the Interop may fail.

Posted 25-Sep-11 22:09pm

Madhu Nair

Updated 25-Sep-11 22:10pm

v2

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gaurav003 27-Sep-11 1:53am

I have downloaded from this link http://www.microsoft.com/download/en/details.aspx?id=18346
http://www.microsoft.com/download/en/details.aspx?id=3508

Please suggest what i can do for that.

Madhu Nair 27-Sep-11 7:11am

The downloads are correct. You need to install Office/Excel in the client system or in other words you can't use the interop assemblies without having office installed.