Hi Oscar,
So far the DataColumn.Expression Property did not suppor the logarithm
function.
Here is the information about what it supported so far for your reference.
DataColumn.Expression Property
http://msdn2.microsoft.com/en-us/lib...n.expression.a
spx
I think you may try to do the Log algorithm at server side. Based on my
knowledge, the Expression only did some simple operations.
Also I do understand your concern in this scenario, I highly suggest you
can submit this feedback to our product feedback center:
http://lab.msdn.microsoft.com/produc...k/default.aspx
Best regards,
Peter Huang
Microsoft Online Community Support
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