HELP:old format or invalid type library

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

I am trying to write some data to excel 2003 from C#.
I installed windows xp on a machine,visual studio.net and office 2003 from scratch to be sure everything is ok. I also install of course .NET programmability support for the office

I write in C#:

Excel.Application app = new Excel.Application();
app.visible=true;
app.Workbooks.Open("c:/data.xls", System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value)

when i run it the first two lines work good and it goes to Open function a COMException come up telling me "old format or invalid type library", i also tried _Open function but the same thing happened. I f i use an event in the Application object everything works fine. PLEASE HELP
 
You must log in or register to reply here.

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.

Ask a Question

Similar Threads

Excel interop from c# 3
how to program excel formatting options 3
Office Automation 1
Exception from HRESULT: 0x800A03EC. at Microsoft.Office.Interop.Excel.WorkbookClass.get_VBProject() 0
excel formatting 2
vb.net interfaces 2
function with collection of custom objects as results 0
Re: Problem with create Excel graph in c# 3

Back
Top