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How to customize h:selectManyListbox ?  RSS feed

 
Himanshu Gupta
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I need to limit the user so that he can select only three records at a time. For displaying we are using h:selectManyListbox. Do we have any idea how to achieve this?
 
Bauke Scholtz
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Just make use of Javascript and to make it robust, validate the size of selected items at the server side.
 
Himanshu Gupta
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Can do this but the functionality where it is used contains a search query builder which works on Ajax. So server side validations will be like patch in a beautiful silky cloth. Is there nay other work around we can think of?
 
Bauke Scholtz
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If you are already using ajax, server side validation would just be less painful (i.e. no synchronous request needed).
 
Himanshu Gupta
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Yeah... this seems good... every time the user clicks we can check at the server side the number of selections.

Thanks for your reply Bauke.
 
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