换种方式填充:
http://www.foxtable.com/webhelp/topics/1533.htm先使用find查询一下,有相同数据的就不填充
Dim Cols1() As String = {"来源列一","来源列二","来源列三"}
Dim Cols2() As String = {"接收列一","接收列二","接收列三"}
For Each dr1 As DataRow In DataTables("表A").Select("[金额] > 100")
Dim dr2 As DataRow = DataTables("表B").find("接收列一='" & dr1("来源列一") & "' and 接收列二='" & dr1("来源列二") & "'")
if dr2 isnothing then
dr2 = DataTables("表B").AddNew()
For i As Integer = 0 To Cols1.Length -1
dr2(Cols2(i)) = dr1(Cols1(i))
Next
end if
Next