In Wicket 2 thete is a thing called AjaxFormComponentUpdatingBehavior
 
"A behavior that updates the hosting FormComponent via ajax when an event it is 
attached to is triggered. This behavior encapsulates the entire form-processing 
workflow as relevant only to this component so if validation is successfull the 
component's model will be updated according to the submitted value. 

NOTE: This behavior does not support persisting form component values into 
cookie or other IValuePersister. If this is necessary please add a request for 
enhancement. 

NOTE: This behavior does not validate any IFormValidators attached to this form 
even though they may reference the component being updated"

If you want validating too use VAjaxFormValidatingFeedback

Stefan Lindner

<<winmail.dat>>

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