How to get the result from operation of trigger(Variable) and show it in interface graphic?

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I want to get the result from operation of trigger(Variable) and show it in interface graphic!
Is there any way to do that? Please help me.

SQL

DECLARE Variable INT;
SET Variable = NEW.TableColumnName - OLD.TableColumnName;

Posted 4-Sep-11 12:49pm

Updated 4-Sep-11 18:18pm

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Md. Marufuzzaman · Answer 1 · 2011-09-04T18:20:00

Posted 4-Sep-11 18:20pm