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ho to compare new value and old value
Hi,
How to compare new value and old value in apex controller
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Hi,
How to compare new value and old value in apex controller
Hi,
You will have to use Trigger.New and Trigger.Old here.
Also refer a blog from Andrew Boettcher http://techman97.wordpress.com/2011/10/22/comparing-new-values-vs-old-values-in-apex-trigger/
Thanks,
Devendra