Dim dr As DataRow = DataTables("库存表").Find("物料编号 = '" & r("物料编号") & "' and 库位 = '" & r.Current("库位") & "' and 唯一码 = '" & r("唯一码") & "'")
If dr Is Nothing Then
dr = DataTables("库存表").AddNew()
dr("物料编号") = r("物料编号")
dr("库位") = r("库位")
dr("唯一码") = r("唯一码")
Else
dr("物料编号") = r("物料编号")
dr("库位") = r("库位")
dr("唯一码") = r("唯一码")
End If