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How to protect excel spreadsheet with password from asp.net

I am trying to create an excel spreadsheet from my asp.net 2.0(vb.net) code.
I can create the file and even protect it, but I cannot protect it with a
password. Here's my code:

Dim xl As New Spreadsheet
xl.ActiveSheet.Protect("testpassword")

Thanks for your help.
May 26 '06 #1
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