The Java Zone is brought to you in partnership with AppDynamics. Discover how AppDynamics steps in to upgrade your performance game and prevent your enterprise from these top 10 Java performance problems.
Today’s example is an ExtJS 4 Form unique field value validation,
done on the server side. Do you know when you are going to register in a
new social network and you have to choose a username (and this username
must be unique)? This is the case we are going to handle in this
I also implemented this example using Sencha Architect 2.
Source Code: https://github.com/loiane/sencha-extjs4-examples-architect/tree/master/extras/UniqueFieldValidation
The Java Zone is brought to you in partnership with AppDynamics. AppDynamics helps you gain the fundamentals behind application performance, and implement best practices so you can proactively analyze and act on performance problems as they arise, and more specifically with your Java applications. Start a Free Trial.
Published at DZone with permission of
, DZone MVB
Opinions expressed by DZone contributors are their own.