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Foxtable(狐表) http://www.foxtable.com
这样试试:(我没文件,没有测试)
Dim r As DataRow = e.DataRow
Dim s As String = e.DataRow("A")
if e.DataCol.Name = "A" Then
if r.IsNull("A") = true Then
r("B") = nothing
else
r("B") = Eval(s,r)
end if
End If
这样试试:(我没文件,没有测试)
Dim r As DataRow = e.DataRow
Dim s As String = e.DataRow("A")
if e.DataCol.Name = "A" Then
if r.IsNull("A") = true Then
r("B") = nothing
else
r("B") = Eval(s,r)
end if
End If
测试通过,就是这样.谢啦