The JQuery Validate plugin has a method whereby, aside from any standard checks you put in place (not empty, alphanumeric only, etc), it will make an Ajax request and assign a field it's validation status based upon the Ajax status return.
http://bassistance.de/jquery-plugins/jquery-plugin-validation/ Steve "Cutter" Blades Adobe Certified Professional Advanced Macromedia ColdFusion MX 7 Developer Co-Author of "Learning Ext JS" http://www.packtpub.com/learning-ext-js/book _____________________________ http://blog.cutterscrossing.com On 10/15/2009 2:05 PM, Les Irvin wrote: > I'm working on a site where people register and choose their own > username. In the registration form I'd like to, onBlur from the > username field, immediately check to see if that username is already > in use and if so, trigger an alert that returns them to the field. > > What's the best way to do this? > > Thanks in advance for any help. > Les > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:327259 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
