How to evaluate column expressions without DataTables

Hi,

I’m looking for a way to evaluate the column Expression available in ADO.NET … without using a DataTable instance.

Say I have a column expression like iif(a > b, true, false)

Is there a way to evaluate this expression by passing somehow values for a and b?

I looked at the  Compute method on DataTable but it is not quite what I’m looking for:

object result1 = new DataTable().Compute("20.0 / 2", null);

object result3 = new DataTable().Compute("iif(10 > 5, true, false)", null);

object result2 = new DataTable().Compute("iif(a > b, true, false)", null); -- how to evaluate this

Idea behind this is to move away from DataTable to simple array structure for performance reason.

Still I need to support a way to generate the legacy expression used.

I would rather avoid building the expression string to generate this as it will be poor performance for large number of rows.

Thanks in advance for your help

Nick