主题：[原创]表达式生成器问题

Select Case e.DataCol.Name
    Case "A","B"
        Dim dr As DataRow = e.DataRow
        If dr.IsNull("A") OrElse dr.IsNull("B") Then
            dr("C") = Nothing
        Else
            Dim n As Double = dr("A") / dr("B") / 100  '小数进位成整数

        End If
End Select