Dear All, I need help how to implement Radio buttons in struts. in two situations and other two related to tranfer of data between objects. 1)an array of radio buttons i.e in iterate tag and selected radio button sould catch an object or a foem as its the value. Do radio button value can be an object or it can only be string?
It should be a string - all your form properties should be strings (or binary).
2)Table of radion buttons in a jsp. each row is an array of radio buttons and one in each row will be selected. and array of such selections to be updated in to form
Use the form taglib, and inside that, use iterate on each array to produce a radio button group.
3)In both of the above cases how to pass the arraylists related to selected radio buttons to next page i.e can I put the array of objects in request atrribute and get them in next page by giving redirect as false.
no, putting them in a request attribute is useless.
Or only solution is putting in session.
that would work
Or can I pass objects or arrays as hidden attributes(sorry this may be absurd or blunder)
Also useless! What you could do is pass the array size as a hidden field and use it to recreate the blank array at the next submit.
4)If I can pass only string values(ID of object )through radio button values to next page or action class, is it preferable to make a dabase call for getting details of object based on Id or better put array in session and retrieve the details by Id.
that depends on how much detail you need in your objects - do you need lots of info? Then it's best to call it from the database. Are the objects small? Then store them in the session.
If you have high performance requirements and heavy duty data, you might benefit from using a caching framework or EJB.
hth Adam
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