参考一下这里
http://www.foxtable.com/webhelp/scr/0793.htm
Dim files = filesys .GetFiles("\\Win-ukpedgbcajr\财务部狐表业务系统\产品统计\产品开piao信息")
Dim i As Integer = 0
Dim p As WinForm.ProgressBar
p = e.Form.Controls("ProgressBar1")
p.Maximum = files.count * 100
p.Minimum = 0 '设置最小值
p.Value = 0 '设置当前值
For Each file As String In files
i += 1
If file.EndsWith(".xls") OrElse file.EndsWith(".xlsx") Then
Dim Book As New XLS.Book(file)
Dim Sheet As XLS.Sheet = Book.Sheets(0)
Dim jsdw As String = sheet(11,1).Text '结算单位在Excel中的坐标位置
Dim nms() As String = {"行号","商品编号","商品名称","单据日期","单据类型","单据编号","出库数量","原币出库金额","开piao数量","原币开piao金额","未开piao数量","原币未开piao金额","超额开piao数量","原币超额开piao金额","手工开piao数量","原币手工开piao金额"}
' Tables("成品统计表").StopRedraw()
For n As Integer = 16 To Sheet.Rows.Count -1 '注意下面的循环变量从17开始,而不是从0开始,因为Excel表的第1-16行是标题和列名
Dim r As Row = Tables("成品统计表").AddNew()
For m As Integer = 0 To nms.Length - 1
r(nms(m)) = Sheet(n,m).Value
Next
r("结算单位") = jsdw
p.value += 100 / (sheet.Rows.count-16)
Next
End If
p.value = i * 100
Next