>In addition to Cetins hints, keep in mind that you are constantly re-reading a single value unnecessarily. In your scenraio you should store the value oRow["SomeField"] to a typed value then assign that.
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>Maybe not a big deal in this scenario since you're not looping, but in other scenerios you definitely don't want to call the row repeatedly as type conversion occurs on every single one of those row accesses.
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>When in a loop too it's often better to use a TableColumn as an index instead of a string. I've seen situations where using strings is 10 times slower than the TableColumn itself which is the natively stored hashvalue.
The stringbuilder has resolved the issue.