If Functions.Execute("net20sp1") = False Then Return End If Dim Book As New XLS.Book(ProjectPath & "Attachments\调拨单97.xls") Dim fl As String = ProjectPath & "Reports\调拨单97.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) Ws.PrintOut App.Quit