你要打印预览Excel吗?
如果是的,可以参考:
Dim Book As New XLS.Book(ProjectPath & "Attachments\标签.xls")
Dim fl As String = ProjectPath & "Reports\标签.xls"
Book.Build()
Book.Save(fl)
Dim App As New MSExcel.Application
Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open(fl)
Dim Ws As MSExcel.WorkSheet = Wb.WorkSheets(1)
App.Visible = True
Ws.PrintPreview
App.Quit