这样打印
Dim Book As New XLS.Book(ProjectPath & "Attachments\客户订单.xls")
Dim fl As String = ProjectPath & "Reports\客户订单.xls"
Book.Build() '生成细节区
Book.Save(fl) '保存工作簿
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(Preview:=True,ActivePrinter:="四联打印")
http://www.foxtable.com/help/topics/2121.htm