Dim Vals As List(of String())
Vals = DataTables("来源表").GetValues("产品|客户")
For i As Integer = 0 To Vals.Count - 1
Dim dr As DataRow = DataTables("接收表").Find("产品='" & Vals(i)(0) & "' And 客户='" & Vals(i)(1) & "' ")
If dr Is Nothing Then
dr = DataTables("接收表").AddNew()
dr("产品") = Vals(i)(0)
dr("客户") = Vals(i)(1)
End If
Next