Excel 2007: Invalid Index error

StevenV

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Joined
Jun 30, 2008
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1-3
Imports Excel = Microsoft.Office.Interop.Excel

Public Sub GenerateSpreadsheet()

Dim xlApp As New Excel.Application
Dim xlBook As Excel.Workbook = xlApp.Workbooks.Add
Dim xlFixedSheet As Excel.Worksheet
Dim xlVariableSheet As Excel.Worksheet

xlApp.Caption = System.Guid.NewGuid.ToString.ToUpper
xlBook = xlApp.Workbooks.Add
xlFixedSheet = xlBook.Worksheets.Item(1)
xlVariableSheet = xlBook.Worksheets.Item(2)
CType(xlFixedSheet, Excel._Worksheet).Activate()

I am running the above code on a program that runs over a network. There are 10 users, 9 are running Excel 2003 and 1 is running Excel 2007. The program runs fine on the machines running Excel 2003 but on the one running Excel 2007 I receive an Invalid Index error when it attempts to run the following code: xlVariableSheet = xlBook.Worksheets.Item(2). I have been scratching my head on this one for a week and have been unable to come up with anything. Does anyone have any ideas or suggestions? I have ran the code on a test box that has Excel 2007 installed and it ran fine.
 
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