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谢谢，还有一个就是关于导入，我经常会有大批量的excel表格数据导入，用的是如下体系的代码，运行非常费时间，不知能否优化

If dlg.ShowDialog = DialogResult.Ok Then '如果用户单击了确定按钮

Dim app As new msexcel.application

Dim wb As msexcel.workbook = app.workbooks.open(dlg.filename)

Dim ws1 As msexcel.worksheet = wb.worksheets(1)

Dim rg1 As msexcel.range=ws1.usedrange

Dim ary1 =rg1.value

Tables("中外运理货表").stopRedraw()

For n1 As Integer=3 To rg1.Rows.count

Dim ra1 As DataRow =DataTables("中外运理货表").addnew()

ra1("操作_导入批次")= pc

ra1("操作_状态")= "理货前-新增"

ra1("规格")=ary1(n1, 6)

ra1("货号")=ary1(n1,4)

ra1("理货结果_缠绕膜")=ary1(n1,34)

ra1("理货结果_长")=ary1(n1,27)

ra1("理货结果_点货数量")=ary1(n1,21)

ra1("理货结果_高")=ary1(n1,29)

ra1("理货结果_净重")=ary1(n1,30)

ra1("理货结果_库位")= ary1(n1,26)

ra1("理货结果_宽")= ary1(n1,28)

ra1("理货结果_破损表述")= ary1(n1,24)

ra1("理货结果_气泡柱")= ary1(n1,33)

ra1("理货结果_日期")= ary1(n1,22)

ra1("理货结果_实际撕标数量")= ary1(n1,31)

ra1("理货结果_实际贴标数量")= ary1(n1,32)

ra1("理货结果_条形码")= ary1(n1,20)

ra1("理货结果_托盘号")= ary1(n1,25)

ra1("理货结果_性质")= ary1(n1,23)

ra1("理货中_WMS中匹配条码")= ary1(n1,10)

ra1("理货中_缠绕膜")= ary1(n1,19)

ra1("理货中_长")= ary1(n1,12)

ra1("理货中_二维码贴标")= ary1(n1,16)

ra1("理货中_高")= ary1(n1,14)

ra1("理货中_净重")= ary1(n1,15)

ra1("理货中_宽")= ary1(n1,13)

ra1("理货中_气泡柱")= ary1(n1,18)

ra1("理货中_实际点数及日期")= ary1(n1,11)

ra1("理货中_撕标")= ary1(n1,17)

Dim pzm As String = ary1(n1,3)

Dim txm As String = ary1(n1,2)

If pzm > "" Then

ra1("理论PZ码")= pzm.trimstart("p", "z", "n")

Else

ra1("理论PZ码")= ""

End If

If txm > "" Then

ra1("理论条形码")= txm.trimstart("p", "z", "n")

Else

ra1("理论条形码")= ""

End If

ra1("理论净重")= ary1(n1,9)

ra1("理论日期")= ary1(n1,8)

ra1("理论入库数据")= ary1(n1,7)

ra1("日志_导入人")= user.name

ra1("日志_导入时间")= ct

ra1("项号")= ary1(n1,1)

ra1("中文品名")= ary1(n1,5)

ra1.locked=True

ra1.save

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