error when i try to open excel workbook with c#

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HI i try to open excel workbook with this code

C#

Microsoft.Office.Interop.Excel.Application xlapp = new Microsoft.Office.Interop.Excel.Application();
xlapp.Visible = true;
Microsoft.Office.Interop.Excel.Workbookk xlworkbook = xlapp.Workbooks.Add(0);

and i add references from com tab but when i run this error was shown

Old format or invalid type library. (Exception from HRESULT: 0x80028018 (TYPE_E_INVDATAREAD))
please help me

Posted 19-May-12 22:53pm

omidv

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Uday P.Singh · Answer 1 · 2012-05-19T23:00:00

Solution 1

Try these:

Opening and Navigating Excel with C#[^]

http://www.dotnetperls.com/excel[^]

hope it helps :)

Posted 19-May-12 23:00pm

Uday P.Singh

Comments

Wendelius 20-May-12 6:48am

Good links

Uday P.Singh 20-May-12 11:58am

thanks Mika :)

Maciej Los · Answer 2 · 2012-05-20T00:16:00

Solution 2

Probably you have the same problem as described at: http://social.msdn.microsoft.com/Forums/en-CA/Vsexpressvb/thread/4565361b-aeff-4d01-af92-d21a6eb631e3[^]
i found the cause of the problem, it's because the user local settings are different from the office version, i use the english version and after setting language to english us, and country to united states in the reagional and language settings under control panel it worked fine

Posted 20-May-12 0:16am

Maciej Los

Comments

Wendelius 20-May-12 6:49am

That could well be the cause

Maciej Los 20-May-12 7:04am

Thank you, Mika ;)

VJ Reddy 20-May-12 9:34am

Good reference. 5!

Maciej Los 20-May-12 9:53am

Thank you, VJ ;)

Clifford Nelson · Answer 3 · 2012-05-20T06:07:00

Sounds to me like you may be trying to open excel with a version of Visual Studio that is old. May be that you have Visual Studio 2008 and Microsoft Office 2010. Try to download the Version 4 framework, and reference the 2010 interopt dll.

Note: it would help readability if you used the var insteaad of Microsoft.Office.Interop.Excel.Application.