Over a million developers have joined DZone.

ExtJS 4 Form: Unique Field Value Validation Example (Server Validation)

· Java Zone

Learn more about how the Java language, tools and frameworks have been the foundation of countless enterprise systems, brought to you in partnership with Salesforce.

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 article.

I also implemented this example using Sencha Architect 2.

Final result:

extjs4 uniquefield validation loiane ExtJS 4 Form: Unique Field Value Validation Example (Server Validation)

Demo: http://loiane.com.br/sencha-extjs4-examples-architect/extras/UniqueFieldValidation/app.html

Source Code: https://github.com/loiane/sencha-extjs4-examples-architect/tree/master/extras/UniqueFieldValidation

Discover how the Force.com Web Services Connector (WSC) is a code-generation tool and runtime library for use with Force.com Web services, brought to you in partnership with Salesforce.

Topics:

Published at DZone with permission of Loiane Groner, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

{{ parent.title || parent.header.title}}

{{ parent.tldr }}

{{ parent.urlSource.name }}