参考
http://www.foxtable.com/help/topics/2492.htm
Dim dlg As new OpenFileDialog
If dlg.ShowDialog = DialogResult.OK Then
Dim book As new XLS.Book(dlg.FileName)
Dim sheet As XLS.Sheet = book.Sheets(0)
For i As Integer = 0 To sheet.rows.Count - 1
If sheet(i, 0).Text Like "编号*" Then
output.show(sheet(i+1,0).text)
output.show(sheet(i+4,2).text)
End If
Next
End If