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struts2: howto ajax-validate with annotation?

Peter Primrose
Ranch Hand

Joined: Sep 10, 2004
Posts: 755
does anyone have an example of ajax-validation with annotation?

I'm trying to achieve the following: I have a form with:

1. Name
2. DOB
3. e-mail

[Update Button]

Name/e-mail are mandatory fields. Right now, if the user clicks Update and everything goes well - a Success Message is shown in the target ID.

If the user doesn't provide the Name - An error message is shown: "Update Fail"

Problem is that in my output, in case of a failure, there is no indication of the required field (what is the problem).

So my question is this: how can I tell which of the fields is missing?

* I'm using annotation in my form

 
It is sorta covered in the JavaRanch Style Guide.
 
subject: struts2: howto ajax-validate with annotation?